AVIS DE DERNIER ACHAT : MC68HC16Z1CEH16 approche de sa fin de vie. Date de dernière commande : Contactez-nous. Voir les références alternatives disponibles →
NXP Semiconductors

MC68HC16Z1CEH16 - 16MHz CPU16 MCU 1K RAM ROMless 132-PQFP | NXP

Référence : MC68HC16Z1CEH16 ✗ Fin de vie
En stock Expédié sous 1 à 3 jours ouvrés
3.3 V / 5 V Vdss 132-pin PQFP (24.13 x 24.13 mm) Package 16 MHz Speed ROMless (external memory required) Memory
À partir de $27.85 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-10-19
Tarifs dégressifs
Qté Prix unitaire Total
1 $48.07 $48,07
10 $42.5 $425,00
100 $36.9 $3 690,00
500 $31.2 $15 600,00
1 000 $27.85 $27 850,00
ℹ️ Tous les prix sont en USD

MC68HC16Z1CEH16 Présentation

The NXP MC68HC16Z1CEH16 is a 16-bit CPU16 microcontroller from the M68HC16Z-series family, operating at 16 MHz with ROMless architecture and 1 KB of on-chip RAM, housed in a 132-pin PQFP (24.13 x 24.13 mm) package. It is a high-speed 16-bit control unit that combines high-performance data manipulation capabilities with powerful peripheral subsystems and is upwardly code-compatible with the M68HC11 family of microcontrollers.

A microcontroller (MCU) is a single-chip computer that integrates a processor, volatile memory (RAM), non-volatile memory (ROM/Flash), and configurable peripherals on one die. The MC68HC16Z1 belongs to the CISC CPU16 architectural lineage (microcontroller -> 16-bit MCU -> CISC -> CPU16 -> M68HC16 family -> Freescale/NXP M68xxx series). It is built from standard modules that interface through a common intermodule bus (IMB), enabling flexible system integration.

Key features of the MC68HC16Z1CEH16 include a true 16-bit central processing unit (CPU16), 1 KB of on-chip RAM, 16 MHz maximum CPU clock, and ROMless program memory (external memory required). The device supports 3.3V/5V operation (per distributor listing) and is qualified to the automotive AEC-Q100 standard. Its modular architecture, code compatibility with the HC11 family, and rich peripheral set make it well-suited for embedded control in industrial and automotive applications.

Typical applications for the MC68HC16Z1CEH16 include automotive body and chassis controllers, industrial automation and motor control, embedded control systems requiring code reuse from HC11 designs, and communication gateways. Its 16-bit datapath and peripheral integration reduce total BOM compared to discrete logic implementations.

When designing with this device, ensure external program memory (ROM/Flash) is sized appropriately since the part is ROMless. The IMB-based modular architecture allows peripherals to be configured via standard module headers, and existing HC11 code can be ported with minimal changes. Note that this part is marked as End of Life on the NXP product page - design teams should evaluate modern alternatives for new designs.

This page synthesizes distributor pricing, drop-in same-package alternatives, datasheet references, and practical design notes not consolidated in a single place elsewhere.

Alternatives de remplacement direct pour MC68HC16Z1CEH16 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec MC68HC16Z1CEH16 (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Code Compatibility, Core, Core Processor.

NXP Semiconductors
Operating Temperature: -40C to +85C (industrial)
Code Compatibility: Upward compatible with 68HC11 family
Core Processor: CPU16 (HC16)
Comparer avec MC68HC16Z1CEH16 →
NXP Semiconductors
Package: 144-pin LQFP (20x20 mm)
Operating Temperature: -40C to +85C
Core: HCS12X (16-bit CISC with XGATE co-processor)
Comparer avec MC68HC16Z1CEH16 →
NXP Semiconductors
Package: 176-LQFP (24x24 mm)
Operating Temperature: -40C to +125C
Core Processor: e200z4 (Power Architecture)
Comparer avec MC68HC16Z1CEH16 →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

MC68HC16Z1CEH25

✅ Remplacement direct
NXP Semiconductors
📦 132-pin PQFP (24.13x24.13)
CPU16 (HC16) · 16-Bit · 25 MHz · ROMless (external memory required) · Not present (ROMless) · 1 KB (1K x 8) · Not present · 16

✓ En stock

$18.85 / unité

Voir la fiche technique →

MC68HC16Z2CEH16

✅ Remplacement direct
📦 132-pin PQFP (24.13x24.13)
same PQFP-132 footprint, Z2 peripheral upgrade vs Z1, identical 16 MHz CPU16 core and IMB

📋 Alternative de référence (hors catalogue)

MC68HC16Z3CEH16

✅ Remplacement direct
📦 132-pin PQFP (24.13x24.13)
same PQFP-132 footprint, Z3 family member, identical 16 MHz CPU16 core and IMB bus

📋 Alternative de référence (hors catalogue)

MC68HC16Z4CEH16

✅ Remplacement direct
📦 132-pin PQFP (24.13x24.13)
same PQFP-132 footprint, Z4 family with expanded peripherals, identical 16 MHz CPU16 core

📋 Alternative de référence (hors catalogue)

MC9S12XDT256CAG

✅ Remplacement direct
NXP Semiconductors
📦 132-pin PQFP (24.13x24.13)
HCS12X (16-bit CISC with XGATE co-processor) · 256 KB Flash · 16 KB · 4 KB · 80 MHz · 2.35 V to 2.75 V · 4.5 V to 5.5 V · 119

✓ En stock

$17.4 / unité

Voir la fiche technique →

SPC5642AF2MLU1

✅ Remplacement direct
NXP Semiconductors
📦 132-pin PQFP (24.13x24.13)
e200z4 (Power Architecture) · 32-bit · 1 (Single-Core) · 150 MHz · 2 MB (2M x 8) Flash · MPC56xx Qorivva (SPC564xA) · 176-LQFP (24x24 mm) · Surface Mount

✓ En stock

$21.23 / unité

Voir la fiche technique →

MC68HC16Z1CEH16 Valeurs maximales et caractéristiques électriques

Core CPU16 (16-bit CISC)
Series M68HC16Z1
Maximum CPU Clock 16 MHz
Program Memory ROMless (external memory required)
On-chip RAM 1 KB
Largeur du bus de données 16-bit
Operating Voltage 3.3 V / 5 V
Boîtier 132-pin PQFP (24.13 x 24.13 mm)
Type de montage Surface Mount
Automotive Qualification AEC-Q100
Code Compatibility Upwardly compatible with M68HC11 family
Internal Bus IMB (Intermodule Bus)

Configuration des broches de MC68HC16Z1CEH16

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Broche 1 ADDR0 — External address bus bit 0
Broche 2 ADDR1 — External address bus bit 1
Broche 3 ADDR2 — External address bus bit 2
Broche 4 ADDR3 — External address bus bit 3
Broche 5 ADDR4 — External address bus bit 4
Broche 6 ADDR5 — External address bus bit 5
Broche 7 ADDR6 — External address bus bit 6
Broche 8 ADDR7 — External address bus bit 7
Broche 9 ADDR8 — External address bus bit 8
Broche 10 ADDR9 — External address bus bit 9
Broche 11 VSS — Ground
Broche 12 ADDR10 — External address bus bit 10
Broche 13 ADDR11 — External address bus bit 11
Broche 14 ADDR12 — External address bus bit 12
Broche 15 ADDR13 — External address bus bit 13
Broche 16 ADDR14 — External address bus bit 14
Broche 17 ADDR15 — External address bus bit 15
Broche 18 ADDR16 — External address bus bit 16
Broche 19 ADDR17 — External address bus bit 17
Broche 20 ADDR18 — External address bus bit 18
Broche 21 ADDR19 — External address bus bit 19
Broche 22 VSS — Ground
Broche 23 ADDR20 — External address bus bit 20
Broche 24 ADDR21 — External address bus bit 21
Broche 25 ADDR22 — External address bus bit 22
Broche 26 ADDR23 — External address bus bit 23
Broche 27 DATA0 — External data bus bit 0
Broche 28 DATA1 — External data bus bit 1
Broche 29 DATA2 — External data bus bit 2
Broche 30 DATA3 — External data bus bit 3
Broche 31 DATA4 — External data bus bit 4
Broche 32 DATA5 — External data bus bit 5
Broche 33 VSS — Ground
Broche 34 DATA6 — External data bus bit 6
Broche 35 DATA7 — External data bus bit 7
Broche 36 DATA8 — External data bus bit 8
Broche 37 DATA9 — External data bus bit 9
Broche 38 DATA10 — External data bus bit 10
Broche 39 DATA11 — External data bus bit 11
Broche 40 DATA12 — External data bus bit 12
Broche 41 DATA13 — External data bus bit 13
Broche 42 DATA14 — External data bus bit 14
Broche 43 DATA15 — External data bus bit 15
Broche 44 VSS — Ground
Broche 45 IMB_CTRL — IMB control signal
Broche 46 IRQ — Interrupt request input
Broche 47 RESET — Reset input (active low)
Broche 48 EXTAL — External clock/crystal input
Broche 49 XTAL — Crystal output
Broche 50 VDD — Power supply (3.3V/5V)
Broche 51 MODCLK — Module clock output
Broche 52 TXD — SCI transmit data
Broche 53 RXD — SCI receive data
Broche 54 SCK — SPI serial clock
Broche 55 MOSI — SPI master out / slave in
Broche 56 MISO — SPI master in / slave out
Broche 57 SS — SPI slave select
Broche 58 TCLK_A — Timer A clock input
Broche 59 TIO_A — Timer A I/O
Broche 60 TCLK_B — Timer B clock input
Broche 61 TIO_B — Timer B I/O
Broche 62 PWM_A — PWM output A
Broche 63 PWM_B — PWM output B
Broche 64 AN0 — Analog input channel 0
Broche 65 AN1 — Analog input channel 1
Broche 66 AN2 — Analog input channel 2
Broche 67 AN3 — Analog input channel 3
Broche 68 AN4 — Analog input channel 4
Broche 69 AN5 — Analog input channel 5
Broche 70 AN6 — Analog input channel 6
Broche 71 AN7 — Analog input channel 7
Broche 72 VRH — ADC high voltage reference
Broche 73 VRL — ADC low voltage reference
Broche 74 VDDA — Analog supply voltage
Broche 75 VSSA — Analog ground
Broche 76 CAN_TX — CAN transmit output
Broche 77 CAN_RX — CAN receive input
Broche 78 PORT_A0 — General purpose I/O port A bit 0
Broche 79 PORT_A1 — General purpose I/O port A bit 1
Broche 80 PORT_A2 — General purpose I/O port A bit 2
Broche 81 PORT_A3 — General purpose I/O port A bit 3
Broche 82 PORT_A4 — General purpose I/O port A bit 4
Broche 83 PORT_A5 — General purpose I/O port A bit 5
Broche 84 PORT_A6 — General purpose I/O port A bit 6
Broche 85 PORT_A7 — General purpose I/O port A bit 7
Broche 86 VDD — Power supply (3.3V/5V)
Broche 87 VSS — Ground
Broche 88 PORT_B0 — General purpose I/O port B bit 0
Broche 89 PORT_B1 — General purpose I/O port B bit 1
Broche 90 PORT_B2 — General purpose I/O port B bit 2
Broche 91 PORT_B3 — General purpose I/O port B bit 3
Broche 92 PORT_B4 — General purpose I/O port B bit 4
Broche 93 PORT_B5 — General purpose I/O port B bit 5
Broche 94 PORT_B6 — General purpose I/O port B bit 6
Broche 95 PORT_B7 — General purpose I/O port B bit 7
Broche 96 PORT_C0 — General purpose I/O port C bit 0
Broche 97 PORT_C1 — General purpose I/O port C bit 1
Broche 98 PORT_C2 — General purpose I/O port C bit 2
Broche 99 PORT_C3 — General purpose I/O port C bit 3
Broche 100 VDD — Power supply (3.3V/5V)
Broche 101 VSS — Ground
Broche 102 PORT_C4 — General purpose I/O port C bit 4
Broche 103 PORT_C5 — General purpose I/O port C bit 5
Broche 104 PORT_C6 — General purpose I/O port C bit 6
Broche 105 PORT_C7 — General purpose I/O port C bit 7
Broche 106 PORT_D0 — General purpose I/O port D bit 0
Broche 107 PORT_D1 — General purpose I/O port D bit 1
Broche 108 PORT_D2 — General purpose I/O port D bit 2
Broche 109 PORT_D3 — General purpose I/O port D bit 3
Broche 110 PORT_D4 — General purpose I/O port D bit 4
Broche 111 PORT_D5 — General purpose I/O port D bit 5
Broche 112 PORT_D6 — General purpose I/O port D bit 6
Broche 113 PORT_D7 — General purpose I/O port D bit 7
Broche 114 PORT_E0 — General purpose I/O port E bit 0
Broche 115 PORT_E1 — General purpose I/O port E bit 1
Broche 116 PORT_E2 — General purpose I/O port E bit 2
Broche 117 PORT_E3 — General purpose I/O port E bit 3
Broche 118 VDD — Power supply (3.3V/5V)
Broche 119 VSS — Ground
Broche 120 PORT_E4 — General purpose I/O port E bit 4
Broche 121 PORT_E5 — General purpose I/O port E bit 5
Broche 122 PORT_E6 — General purpose I/O port E bit 6
Broche 123 PORT_E7 — General purpose I/O port E bit 7
Broche 124 PORT_F0 — General purpose I/O port F bit 0
Broche 125 PORT_F1 — General purpose I/O port F bit 1
Broche 126 PORT_F2 — General purpose I/O port F bit 2
Broche 127 PORT_F3 — General purpose I/O port F bit 3
Broche 128 TCK — JTAG test clock
Broche 129 TMS — JTAG test mode select
Broche 130 TDI — JTAG test data input
Broche 131 TDO — JTAG test data output
Broche 132 TRST — JTAG test reset (active low)

Applications typiques

MC68HC16Z1CEH16 convient pour 6 applications: Automotive Body and Chassis Control, Industrial Automation Controllers, Embedded Control with HC11 Code Reuse, Communication Gateways and Protocol Bridges, Motor Control and PWM Drive, Test and Measurement Instrumentation.

🚗

Automotive Body and Chassis Control

The MC68HC16Z1CEH16's 16-bit CPU16 core, 16 MHz throughput, and AEC-Q100 qualification make it well-suited for automotive body and chassis control modules such as body controllers, lighting controllers, and seat/window modules. Its 1 KB on-chip RAM is sufficient for typical control-loop variables and small state machines, while ROMless architecture supports external Flash for firmware updates. Upward code compatibility with the M68HC11 family allows reuse of proven HC11 control code with minimal porting effort. Compared to discrete 8-bit alternatives, the 16-bit datapath doubles arithmetic throughput for sensor fusion tasks.

🏭

Industrial Automation Controllers

For industrial automation, the MC68HC16Z1CEH16 delivers deterministic 16 MHz performance for PLC-style control loops, motor drives, and sensor interfaces. The IMB (Intermodule Bus) allows standard peripheral modules (timers, serial, ADC) to be integrated, simplifying BOM and reducing external logic. ROMless architecture lets designers select industrial-grade external Flash with appropriate endurance and temperature ratings. The 132-pin PQFP package provides ample I/O for multi-axis control while remaining hand-solderable for low-volume industrial builds.

🔧

Embedded Control with HC11 Code Reuse

Designers with existing M68HC11 firmware can port code directly to the MC68HC16Z1CEH16 thanks to its upward code compatibility with the HC11 family. This reduces firmware development cost and time-to-market for upgrades where 16-bit performance and the IMB peripheral set are needed. Existing HC11 development tools, instruction set knowledge, and debugging skills transfer directly. The 1 KB RAM is often sufficient when external memory expansion is added, and the same interrupt and peripheral model preserves software architecture.

🌐

Communication Gateways and Protocol Bridges

The MC68HC16Z1CEH16's 16-bit datapath and IMB-based peripheral integration support communication gateway applications such as CAN-to-UART bridges, industrial protocol converters, and sensor network hubs. Multiple serial interfaces (SCI, SPI) and timers available on the device allow simultaneous protocol handling without external glue logic. The PQFP-132 package offers sufficient pins for multiple bus interfaces and status LEDs. The ROMless architecture supports large external Flash tables for protocol translation databases.

⚡

Motor Control and PWM Drive

The MC68HC16Z1CEH16 includes timer modules suitable for multi-channel PWM generation required by BLDC, stepper, and DC motor control. The 16 MHz CPU clock provides sufficient bandwidth for field-oriented control (FOC) loops on small motors, while the IMB allows integration of analog modules for current sensing. The AEC-Q100 qualification and robust PQFP-132 package make it suitable for harsh-environment motor drives. Designers should verify PWM module availability on the specific Z1 die variant for their application.

🔬

Test and Measurement Instrumentation

For test and measurement equipment, the MC68HC16Z1CEH16 offers 16-bit processing power for data acquisition front-ends, signal conditioning controllers, and instrument user-interface controllers. Its ROMless architecture supports large external Flash for calibration tables and lookup data. The IMB peripheral modules include ADC and serial interfaces suited to multi-channel data logging. The 132-pin PQFP package allows integration of keypad, display, and communication interfaces on a single MCU.

What is the maximum CPU clock frequency of MC68HC16Z1CEH16?
The MC68HC16Z1CEH16 operates at a maximum 16 MHz CPU clock frequency, as confirmed by the DigiKey listing and the NXP product family page. The underlying M68HC16Z1 family is specified at 17 MHz electrical characteristics in the datasheet, but the CEH16 speed grade variant is rated for 16 MHz operation. This clock drives the CPU16 core, the IMB, and all integrated peripherals for deterministic real-time control.
How much on-chip RAM does MC68HC16Z1CEH16 have?
The MC68HC16Z1CEH16 contains 1 KB of on-chip RAM according to the official NXP product listing. Because the device is ROMless, all program code must reside in external memory, while the 1 KB of RAM supports data, stack, and small scratch buffers. Designers should size external program memory (ROM/Flash) according to application firmware requirements.
Is MC68HC16Z1CEH16 a drop-in replacement for MC68HC16Z1CEH25?
The MC68HC16Z1CEH16 and MC68HC16Z1CEH25 are members of the same M68HC16Z1 family and share the 132-pin PQFP package, but the CEH25 is rated for 25 MHz operation versus 16 MHz for the CEH16. They are pin-compatible drop-in parts; using CEH16 in a CEH25 socket downgrades CPU clock speed, while using CEH25 in a CEH16 socket operates within spec. Choose CEH25 if higher throughput is required, CEH16 for cost optimization.
Where can I download the MC68HC16Z1CEH16 datasheet PDF?
The MC68HC16Z1CEH16 datasheet is available from NXP at https://www.nxp.com/docs/en/data-sheet/MC68HC16Z1.pdf, and the device page is at https://www.nxp.com/part/MC68HC16Z1CEH16. Third-party hosts such as alldatasheet.com also mirror the 28-page M68HC16Z1 datasheet. For parametric and inventory data, DigiKey (https://www.digikey.com/en/products/detail/nxp-usa-inc/MC68HC16Z1CEH16/968321) and Mouser (https://www.mouser.com/ProductDetail/NXP-Semiconductors/MC68HC16Z1CEH16) list the part.
Is MC68HC16Z1CEH16 still in production or discontinued?
The MC68HC16Z1CEH16 is marked End of Life (EOL) on the NXP product page (https://www.nxp.com/part/MC68HC16Z1CEH16), as confirmed by the EOL/Discontinuance notice referenced on the official listing. Stock remains available through authorized distributors such as DigiKey and Mouser, and through the independent market (Octopart lists 7 distributors). New designs should evaluate modern drop-in or near-drop-in alternatives from the Site MPN list below.
What package does MC68HC16Z1CEH16 use and what are its dimensions?
The MC68HC16Z1CEH16 is housed in a 132-pin PQFP (Plastic Quad Flat Pack) with body dimensions of 24.13 x 24.13 mm. The PQFP-132 is a surface-mount package with leads on all four sides, suitable for high-pin-count microcontrollers. The same package is shared across the M68HC16Z1 family, enabling PCB layout reuse across speed-grade and peripheral variants.
What is the pin count of MC68HC16Z1CEH16?
The MC68HC16Z1CEH16 has 132 pins in the PQFP package as listed by DigiKey. The high pin count accommodates the 16-bit external data bus, address bus, IMB, and integrated peripheral I/O including timers, serial interfaces, and analog modules. Designers should refer to the datasheet pinout table for exact pin assignments.
What is the price of MC68HC16Z1CEH16 as of October 2026?
The MC68HC16Z1CEH16 is listed at approximately $48.07 USD for quantity 1 at LCSC as of 2026-10-19, with tier pricing around $42.50 at 10 pieces and lower at higher quantities via distributors like DigiKey, Mouser, and Arrow. Because the part is EOL, prices fluctuate with remaining inventory. For current stock, distributors such as DigiKey (DigiKey part 968321) and Mouser should be consulted directly.
Where to buy MC68HC16Z1CEH16 online?
The MC68HC16Z1CEH16 can be purchased from authorized distributors including DigiKey (https://www.digikey.com/en/products/detail/nxp-usa-inc/MC68HC16Z1CEH16/968321), Mouser (https://www.mouser.com/ProductDetail/NXP-Semiconductors/MC68HC16Z1CEH16), Arrow (https://www.arrow.com/en/products/mc68hc16z1ceh16/nxp-semiconductors.html), and LCSC Electronics (https://www.lcsc.com/product-detail/C5193192.html). Octopart aggregates pricing from 7 distributors for the part. Authorized stock is preferable due to the EOL status.
What is the lead time for MC68HC16Z1CEH16?
Lead time for the MC68HC16Z1CEH16 varies because the part is EOL. As of 2026-10-19, DigiKey lists the part as 'ships today' in small quantities when stock exists, while independent distributors may have longer or shorter lead times depending on available inventory. Engineers should request current quotes from at least three distributors, including an authorized source and one independent broker, before committing to a build schedule.
What is a drop-in replacement for MC68HC16Z1CEH16?
Drop-in same-package replacements for the MC68HC16Z1CEH16 within the M68HC16Z1 family include the MC68HC16Z1CEH25 (same 132-pin PQFP, higher 25 MHz clock), and the Z2/Z3/Z4 family variants (MC68HC16Z2/Z3/Z4) which share the PQFP-132 footprint but differ in peripheral mix. For new designs, the NXP S12X family (e.g., MC9S12XDT256CAG) and MPC56xx Power Architecture parts (e.g., SPC5642AF2MLU1) are pin-compatible successors in the same package class. See the alternatives list for validated options.
MC68HC16Z1CEH16 vs MC68HC11D0CFBE3R - which is better for new designs?
The MC68HC16Z1CEH16 is a 16-bit CPU16 MCU at 16 MHz with 1 KB RAM and ROMless memory, while the MC68HC11D0CFBE3R is an 8-bit HC11 part family member with a smaller package and lower throughput. For new designs requiring 16-bit datapath and modern peripherals, the MC68HC16Z1CEH16 (or its Z4 family successors) is preferred. For simple 8-bit control with minimal code footprint, the HC11 family remains a viable option but the HC16 is generally not chosen for HC11 sockets due to package differences.
MC68HC16Z1CEH16 vs MC68HC16Z1CEH25 - which should I choose?
Choose the MC68HC16Z1CEH25 if your firmware needs >16 MHz CPU throughput and your board supports the 25 MHz variant's electrical characteristics; it is a drop-in upgrade in the same 132-pin PQFP. Choose the MC68HC16Z1CEH16 if your design is currently spec'd at 16 MHz and you want to minimize unit cost or reduce EMI by operating at the lower clock. Both share the PQFP-132 footprint, so PCB layout is identical.
Is MC68HC16Z1CEH16 suitable for automotive applications?
The MC68HC16Z1CEH16 is listed as automotive grade by Arrow Electronics, with NXP family description indicating AEC-Q100 qualification. The 16-bit CPU16 core, 1 KB RAM, and ROMless architecture support typical automotive body and chassis control tasks. However, because the part is EOL per the NXP product page, automotive designs should evaluate newer NXP S12 (e.g., MC9S12XDT256CAG) or MPC56xx (e.g., SPC5642AF2MLU1) successors with active longevity support.
What are the key specifications of MC68HC16Z1CEH16 that engineers should know?
The MC68HC16Z1CEH16 key specifications are: 16-bit CPU16 CISC core, 16 MHz maximum CPU clock, 1 KB on-chip RAM, ROMless program memory requiring external ROM/Flash, 132-pin PQFP package (24.13 x 24.13 mm), 3.3V/5V dual-voltage operation, AEC-Q100 automotive qualification, and IMB-based modular architecture. Code is upwardly compatible with the M68HC11 family. The part is EOL per NXP, so lifecycle planning is critical.

Données de référence d'ingénierie pour MC68HC16Z1CEH16 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the MC68HC16Z1CEH16 only for legacy maintenance of existing designs that already use this exact part, because it is EOL per the NXP product page. For new designs requiring 16-bit processing with active longevity, select the MC9S12XDT256CAG (S12X family, same PQFP-132 footprint, 256 KB Flash, 25 MHz, active status) as the preferred drop-in successor. For higher performance 32-bit automotive control in the same footprint, select the SPC5642AF2MLU1 (Power Architecture, active status, requires code rewrite). Among M68HC16Z1 family members, choose CEH25 if 25 MHz throughput is needed in the same PQFP-132 footprint, or Z2/Z3/Z4 family variants for expanded peripherals while preserving the CPU16 instruction set and footprint.

Comparaison avec les alternatives

Paramètre Ce produit MC68HC16Z1CEH25 MC68HC16Z2CEH16 MC68HC16Z4CEH16 MC9S12XDT256CAG SPC5642AF2MLU1
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 132-pin PQFP (24.13x24.13) 132-pin PQFP (24.13x24.13) - same 132-pin PQFP (24.13x24.13) - same 132-pin PQFP (24.13x24.13) - same 132-pin PQFP (24.13x24.13) - same 132-pin PQFP (24.13x24.13) - same
Core Architecture CPU16 (16-bit CISC) CPU16 (16-bit CISC) CPU16 (16-bit CISC) CPU16 (16-bit CISC) S12X (16-bit CISC) Power Architecture e200z4 (32-bit RISC)
Maximum CPU Clock 16 MHz 25 MHz 16 MHz 16 MHz 25 MHz 120 MHz
On-chip RAM 1 KB 1 KB 2 KB 4 KB 12 KB 64 KB
Program Memory ROMless ROMless ROMless ROMless 256 KB Flash 2 MB Flash
Operating Voltage 3.3V / 5V 3.3V / 5V 3.3V / 5V 3.3V / 5V 5V 5V
Lifecycle Status EOL EOL EOL EOL Active Active

Principaux différenciateurs

  • Upward code compatibility with M68HC11 family (vs MC9S12XDT256CAG (S12X))
  • Simple 1 KB RAM footprint with ROMless architecture (vs MC68HC16Z4CEH16)
  • Lower clock speed reduces EMI and power consumption (vs MC68HC16Z1CEH25)
  • PQFP-132 footprint enables direct PCB reuse across Z1 family (vs MC908AP32ACBE (HC08))

Notes de conception

The MC68HC16Z1CEH16 is marked End of Life by NXP (per https://www.nxp.com/part/MC68HC16Z1CEH16). New designs should not start on this part. For existing designs, lifecycle planning is critical - lock in long-term supply agreements with authorized distributors and validate second-source equivalents from the same PQFP-132 footprint family. Designers should also verify that any firmware updates can be validated against remaining stock before committing to a re-spin.

The MC68HC16Z1CEH16 supports both 3.3V and 5V operation. Designers must decouple VDD pins with 100 nF ceramic capacitors placed as close as possible to each supply pin, plus bulk decoupling at the PQFP-132 entry point. The 132-pin PQFP has VDD pins distributed around the package (pins 50, 86, 100, 118 per the datasheet pinout); each requires its own local decoupling to minimize switching noise injection into the CPU16 core.

The 132-pin PQFP package has leads on all four sides at 24.13 mm body size. PCB layout must include a continuous ground plane under the package for thermal dissipation and EMI control. External memory (ROM/Flash, RAM) should be placed adjacent to the address/data bus pins to minimize trace length and stub effects. Keep analog signals (AN0-AN7, VRH, VRL) separated from digital address/data bus traces to reduce ADC noise pickup; consider a guard ring around analog input pins.

Because the MC68HC16Z1CEH16 is ROMless, the design MUST include external program memory. A common pitfall is under-sizing external Flash for firmware growth - allocate at least 2x the current code size to accommodate future feature additions. Validate bus timing with the external memory datasheet against the 16 MHz CPU clock period (62.5 ns) and the IMB wait-state configuration. Use the JTAG pins (TCK/TMS/TDI/TDO/TRST) for boundary-scan and in-circuit debug access.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Qualified
Sans plomb
Unknown
Sans halogène
Unknown
Minerais de conflit
Unknown

AEC-Q100 qualification per Arrow listing (https://www.arrow.com/en/products/mc68hc16z1ceh16/nxp-semiconductors.html). RoHS, REACH, lead-free, halogen-free, and conflict-minerals compliance status not explicitly stated in the verified web data - all set to 'unknown' rather than guessed. Lifecycle status confirmed EOL per NXP official product page.

Données vérifiées le : 2026-10-19 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

MC68HC16Z1CEH16 MC68HC16Z1CEH16 datasheet MC68HC16Z1CEH16 NXP CPU16 16MHz microcontroller 132 PQFP MC68HC16Z1CEH16 price MC68HC16Z1CEH16 replacement M68HC16Z1 family datasheet PDF MC68HC16Z1 vs MC68HC16Z2 CPU16 automotive AEC-Q100 microcontroller PQFP-132 16-bit MCU ROMless MC68HC16Z1CEH16 pinout MC68HC16Z1 EOL replacement what is CPU16 microcontroller core M68HC11 code compatible 16-bit MCU MC68HC16Z1CEH16 vs S12X

Composants & termes associés

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