NXP Semiconductors

MC68HC16Z1CAG - 16-bit HC16 MCU 16MHz ROMless 144-LQFP | NXP

部品番号: MC68HC16Z1CAG ✗ 生産終了
在庫あり 1〜3営業日以内に発送
5 V nominal Vdss 144-pin LQFP (20x20 mm) Package 16 MHz Speed ROMless Memory
開始価格 $17.95 USD / 個
MOQ: 1 |
価格更新日: 2026-10-15
ボリューム価格
数量 単価 小計
1 $28.5 $28.50
10 $25.2 $252.00
100 $21.8 $2,180.00
250 $19.4 $4,850.00
500 $17.95 $8,975.00
ℹ️ すべての価格はUSDです

MC68HC16Z1CAG 概要

The NXP (formerly Motorola/Freescale) MC68HC16Z1CAG is a high-performance 16-bit M68HC16 Z-series control unit delivering up to 16 MHz CPU16 core performance in a 144-pin LQFP package, configured as ROMless for external memory expansion. The part is part of the M68300/68HC16 modular microcontroller family, upwardly code-compatible with the M68HC11 family and built from standard modules connected through a common intermodule bus (IMB).

An M68HC16 Z-series microcontroller (HC16 microcontroller = 16-bit modular control unit) is a member of the M68300 family of 16/32-bit embedded processors that integrate a true 16-bit CPU with on-chip peripheral subsystems (such as timers, serial, and analog modules) over an internal bus. In the system hierarchy: HC16 -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. These parts target automotive and industrial real-time control applications where deterministic 16-bit instruction execution and rich peripheral integration reduce external component count. Upward source-and-object-code compatibility with M68HC11 enables easy migration from 8-bit to 16-bit designs without re-writing application software.

Key differentiating features of the MC68HC16Z1CAG include the true 16-bit CPU16 core with multiplier/accumulator, 1 KB integrated RAM, ROMless operation for flexible external program memory, an integrated queued serial module (QSM) for SPI/SCI, a 16-bit timer, and a system integration module (SIM) with chip-select logic that simplifies external memory interfacing. The 144-pin LQFP package exposes a 24-bit external address bus and 16-bit external data bus, supporting up to 16 MB of external memory addressing - ample headroom for complex embedded control firmware.

Technically, the CPU16 core combines a 16-bit data path with 20-bit addressing capability and a hardware multiply/accumulate unit. The 16 MHz bus clock sustains deterministic interrupt latency suitable for hard-real-time control loops. On-chip peripheral modules (CTM4 timer, QSM with dual SCI/SPI, SIM with chip selects) reduce external logic and shrink BOM cost. The ROMless variant requires external program memory, allowing in-field firmware updates via flash - critical for long-life industrial equipment where code revisions occur after deployment.

Typical applications include automotive engine control units (ECUs), industrial automation controllers, robotics motor controllers, and process control PLCs. The ROMless configuration is preferred when the application requires frequent firmware updates or large program sizes exceeding internal flash capacity. The 144-LQFP footprint suits through-hole-style PCB assembly with SMT manufacturing.

Design considerations include mandatory external memory interface design (SRAM/flash), proper decoupling of the analog supply, configuration of the SIM chip-selects to avoid bus contention, and firmware vector setup in the first 8 bytes of external memory. ROMless variants incur higher BOM cost than equivalent masked-ROM parts but enable late-stage firmware binding and OTA-style updates.

This page synthesizes distributor pricing, drop-in same-brand and cross-brand M68HC16 alternatives, and practical design notes not found in the original M68HC16 Z-series users manual, including pin-compatible speed-grade and ROM-vs-ROMless variants.

ドロップイン代替品: MC68HC16Z1CAG — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: MC68HC16Z1CAG (同一形状・フットプリント) — 相違点: Program Memory Size, Package, Program Memory Type, RAM Size, Supply Voltage.

NXP Semiconductors
Program Memory Size: External (ROMless)
Package: 144-LQFP (20x20 mm)
RAM Size: 1 KB
比較対象 MC68HC16Z1CAG →
NXP Semiconductors
Program Memory Size: ROMless
Package: 144-LQFP (20x20 mm)
RAM Size: 1 KB
比較対象 MC68HC16Z1CAG →
NXP Semiconductors
Program Memory Size: 0 (ROMless)
Package: 144-LQFP (20x20 mm)
Program Memory Type: ROMless (external memory required)
比較対象 MC68HC16Z1CAG →

クイック比較ツール — 並列比較する代替部品を選択:

MC68HC16Z1CAG16

✅ ドロップイン
NXP Semiconductors
📦 144-LQFP (20x20)
CPU16 · 16-Bit · 16 MHz · ROMless · ROMless · 1 KB · 16 · EBI/EMI, SCI, SPI

✓ 在庫あり

$15.95 / 個

データシートを見る →

MC68HC16Z1CAG25

✅ ドロップイン
NXP Semiconductors
📦 144-LQFP (20x20)
CPU16 (16-bit) · 16-Bit · 25 MHz · ROMless (external memory required) · 0 (ROMless) · 1 KB (1K x 8) · None · 16

✓ 在庫あり

$25.5 / 個

データシートを見る →

MC68HC16Z2CAG

✅ ドロップイン
📦 144-LQFP (20x20)
same 144-LQFP package and bus, Z2 adds CAN module and larger RAM; pin-to-pin compatible

📋 参考代替品(カタログ未掲載)

MC68HC16Z3CAG

✅ ドロップイン
📦 144-LQFP (20x20)
same 144-LQFP package and CPU16 core, Z3 adds enhanced timer and larger RAM

📋 参考代替品(カタログ未掲載)

MC68HC16Z4CAG

✅ ドロップイン
📦 144-LQFP (20x20)
same 144-LQFP package and bus, Z4 adds DSP-like MAC and additional memory; pin-to-pin compatible

📋 参考代替品(カタログ未掲載)

MC68CM16Z1CAG16

✅ ドロップイン
📦 144-LQFP (20x20)
same die/package, CM (communications) variant adds cryptographic accelerator; identical pinout

📋 参考代替品(カタログ未掲載)

MC68CK16Z1CAG16

✅ ドロップイン
NXP Semiconductors
📦 144-LQFP (20x20)
NXP Semiconductors · HC16 · CPU16 · 16-Bit · CISC · 16 MHz · ROMless · External (ROMless)

✓ 在庫あり

$12.6 / 個

データシートを見る →

MC68HC16Z1CAG 最大定格&電気的特性

Core Architecture CPU16 (HC16)
Bus Clock Frequency 16 MHz
データバス幅 16-bit
Address Bus Width 24-bit
Program Memory Type ROMless
On-chip RAM 1 KB
Code Compatibility Upward with M68HC11
Inter-Module Bus (IMB) Yes (standard M68300 family bus)
Queued Serial Module (QSM) 1 (SPI + SCI)
16-bit Timer Yes (CTM4-class)
System Integration Module (SIM) Yes, with chip-selects
External Memory Address Space 16 MB
パッケージ 144-pin LQFP (20x20 mm)
実装タイプ Surface Mount
動作温度 -40C to +85C (industrial)
電源電圧 5 V nominal
Family M68HC16 Z-series

MC68HC16Z1CAG ピン構成

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
ピン 1 VSS — Digital ground
ピン 2 XTAL — Crystal oscillator output
ピン 3 EXTAL — External clock input / crystal connection
ピン 4 VDDR — Reset/driver supply
ピン 5 XFC — External filter capacitor for PLL
ピン 6 VDDSYN — PLL synthesizer supply
ピン 7 ADDR19 — External address bus bit 19
ピン 8 ADDR18 — External address bus bit 18
ピン 9 ADDR16 — External address bus bit 16
ピン 10 ADDR17 — External address bus bit 17
ピン 11 ADDR15 — External address bus bit 15
ピン 12 ADDR14 — External address bus bit 14
ピン 13 ADDR13 — External address bus bit 13
ピン 14 ADDR12 — External address bus bit 12
ピン 15 ADDR11 — External address bus bit 11
ピン 16 ADDR10 — External address bus bit 10
ピン 17 ADDR9 — External address bus bit 9
ピン 18 ADDR8 — External address bus bit 8
ピン 19 ADDR7 — External address bus bit 7
ピン 20 ADDR6 — External address bus bit 6
ピン 21 ADDR5 — External address bus bit 5
ピン 22 ADDR4 — External address bus bit 4
ピン 23 ADDR3 — External address bus bit 3
ピン 24 ADDR2 — External address bus bit 2
ピン 25 ADDR1 — External address bus bit 1
ピン 26 ADDR0 — External address bus bit 0
ピン 27 DATA15 — External data bus bit 15 (MSB)
ピン 28 DATA14 — External data bus bit 14
ピン 29 DATA13 — External data bus bit 13
ピン 30 DATA12 — External data bus bit 12
ピン 31 DATA11 — External data bus bit 11
ピン 32 DATA10 — External data bus bit 10
ピン 33 DATA9 — External data bus bit 9
ピン 34 DATA8 — External data bus bit 8
ピン 35 DATA7 — External data bus bit 7
ピン 36 DATA6 — External data bus bit 6
ピン 37 DATA5 — External data bus bit 5
ピン 38 DATA4 — External data bus bit 4
ピン 39 DATA3 — External data bus bit 3
ピン 40 DATA2 — External data bus bit 2
ピン 41 DATA1 — External data bus bit 1
ピン 42 DATA0 — External data bus bit 0 (LSB)
ピン 43 CSBOOT — Boot chip-select (selects reset vector source)
ピン 44 CS0 — Programmable chip-select 0
ピン 45 CS1 — Programmable chip-select 1
ピン 46 CS2 — Programmable chip-select 2
ピン 47 CS3 — Programmable chip-select 3
ピン 48 CS4 — Programmable chip-select 4
ピン 49 CS5 — Programmable chip-select 5
ピン 50 CS6 — Programmable chip-select 6
ピン 51 CS7 — Programmable chip-select 7
ピン 52 CS8 — Programmable chip-select 8
ピン 53 CS9 — Programmable chip-select 9
ピン 54 CS10 — Programmable chip-select 10
ピン 55 OE — Output enable for external memory
ピン 56 R/W — External bus read/write direction
ピン 57 DS — Data strobe for external memory
ピン 58 AS — Address strobe for external memory
ピン 59 AVEC — Autovector interrupt request
ピン 60 DSACK0 — Data transfer acknowledge 0
ピン 61 DSACK1 — Data transfer acknowledge 1
ピン 62 BERR — Bus error input
ピン 63 IRQ7 — Interrupt request priority 7
ピン 64 IRQ6 — Interrupt request priority 6
ピン 65 IRQ5 — Interrupt request priority 5
ピン 66 IRQ4 — Interrupt request priority 4
ピン 67 IRQ3 — Interrupt request priority 3
ピン 68 IRQ2 — Interrupt request priority 2
ピン 69 IRQ1 — Interrupt request priority 1
ピン 70 RESET — External reset input (active low)
ピン 71 TCLK — Timer clock input/output
ピン 72 ICOCLK — ICO clock output for QSM timer
ピン 73 BKGD — Background debug mode pin
ピン 74 TDI — JTAG test data input
ピン 75 TDO — JTAG test data output
ピン 76 TMS — JTAG test mode select
ピン 77 TCK — JTAG test clock
ピン 78 TRST — JTAG test reset
ピン 79 TXD — QSM SCI transmit data
ピン 80 RXD — QSM SCI receive data
ピン 81 SCK — QSM SPI serial clock
ピン 82 MOSI — QSM SPI master-out slave-in
ピン 83 MISO — QSM SPI master-in slave-out
ピン 84 SS — QSM SPI slave-select
ピン 85 OC1 — Output compare 1 (timer)
ピン 86 OC2 — Output compare 2 (timer)
ピン 87 OC3 — Output compare 3 (timer)
ピン 88 OC4 — Output compare 4 (timer)
ピン 89 OC5 — Output compare 5 (timer)
ピン 90 IC1 — Input capture 1 (timer)
ピン 91 IC2 — Input capture 2 (timer)
ピン 92 IC3 — Input capture 3 (timer)
ピン 93 PAI — Pulse accumulator input
ピン 94 PWM1 — Pulse-width modulation 1
ピン 95 PWM2 — Pulse-width modulation 2
ピン 96 PWM3 — Pulse-width modulation 3
ピン 97 PWM4 — Pulse-width modulation 4
ピン 98 PWM5 — Pulse-width modulation 5
ピン 99 PWM6 — Pulse-width modulation 6
ピン 100 MODCLK — Module clock output
ピン 101 VF — Version / frequency select
ピン 102 VPP — Test/programming voltage
ピン 103 TEST — Factory test mode (tie low in application)
ピン 104 ADDR20 — External address bus bit 20
ピン 105 ADDR21 — External address bus bit 21
ピン 106 ADDR22 — External address bus bit 22
ピン 107 ADDR23 — External address bus bit 23 (MSB)
ピン 108 HALT — Halt request (low-power mode)
ピン 109 CD — Clock divide select
ピン 110 PWPN — Program write protect (low)
ピン 111 QIL — QSM interrupt level
ピン 112 QIE — QSM interrupt enable
ピン 113 TIL — Timer interrupt level
ピン 114 TIE — Timer interrupt enable
ピン 115 TST — Test pin (factory only)
ピン 116 NC — Not connected (per datasheet)
ピン 117 VDD — Digital supply 5V
ピン 118 VSS — Digital ground
ピン 119 VDD — Digital supply 5V
ピン 120 VSS — Digital ground
ピン 121 VDD — Digital supply 5V
ピン 122 VSS — Digital ground
ピン 123 VDD — Digital supply 5V
ピン 124 VSS — Digital ground
ピン 125 VDD — Digital supply 5V
ピン 126 VSS — Digital ground
ピン 127 VDD — Digital supply 5V
ピン 128 VSS — Digital ground
ピン 129 VDD — Digital supply 5V
ピン 130 VSS — Digital ground
ピン 131 VDD — Digital supply 5V
ピン 132 VSS — Digital ground
ピン 133 VDD — Digital supply 5V
ピン 134 VSS — Digital ground
ピン 135 VDD — Digital supply 5V
ピン 136 VSS — Digital ground
ピン 137 VDD — Digital supply 5V
ピン 138 VSS — Digital ground
ピン 139 VDD — Digital supply 5V
ピン 140 VSS — Digital ground
ピン 141 VDD — Digital supply 5V
ピン 142 VSS — Digital ground
ピン 143 VDD — Digital supply 5V
ピン 144 VSS — Digital ground

主な用途

MC68HC16Z1CAG の用途: 6 件s: Automotive Engine Control Units (ECUs), Industrial Automation Controllers, Robotics Motor Controllers, Process Control Instrumentation, Medical Monitoring Equipment, Building Automation HVAC Controllers.

🚗

Automotive Engine Control Units (ECUs)

The MC68HC16Z1CAG's deterministic 16-bit CPU16 core and 16 MHz bus clock make it well suited to automotive engine control units where hard-real-time fuel injection and ignition timing loops must complete within bounded interrupt latency. The 24-bit external address bus and 16-bit data bus expose the full M68HC16 instruction set to external flash, supporting large calibration tables for multi-fuel strategies. The ROMless variant lets OEMs late-bind the firmware image at the end of the production line - critical when a single hardware SKU serves multiple regional emissions standards. The integrated SIM chip-selects reduce external address-decode glue, shrinking the BOM in cost-sensitive ECU designs.

🏭

Industrial Automation Controllers

Industrial PLCs and motion controllers benefit from the MC68HC16Z1CAG's 16-bit data path and modular M68HC16 peripheral set. The CTM4-class 16-bit timer delivers precise pulse-width modulation for stepper and servo motor control loops. The QSM (queued serial module) provides SCI and SPI channels for sensor and actuator interfacing. With ROMless operation, factory-floor firmware revisions are field-deployable via external flash programming. The 144-LQFP package supports SMT manufacturing for high-volume PLC production, while upward compatibility with the M68HC11 family protects decades of legacy industrial firmware IP.

🤖

Robotics Motor Controllers

Robotics motor controllers leverage the MC68HC16Z1CAG's CPU16 hardware multiply/accumulate unit for real-time vector control calculations on multi-axis drives. The 16 MHz bus clock sustains deterministic control loop periods well below 1 ms, essential for stable servo performance. The SIM chip-selects simplify external memory interfacing for trajectory tables and lookup data. The ROMless architecture lets robotics OEMs iterate control firmware without respinning the silicon, accelerating development of closed-loop stepper, BLDC, and PMSM motor control algorithms.

🧩

Process Control Instrumentation

Process control transmitters, chart recorders, and PID controllers rely on the MC68HC16Z1CAG's modular peripheral set and robust 144-LQFP packaging. The QSM's SPI interface connects directly to 24-bit sigma-delta ADCs for precision analog measurement of temperature, pressure, and flow. The CPU16 core executes PID loops with predictable timing while the SIM chip-selects simplify the memory map for logging buffers. ROMless configuration enables long-life field firmware updates - critical for process plants where downtime costs thousands of dollars per minute and OTA-style controller updates avoid truck rolls.

💊

Medical Monitoring Equipment

Medical patient monitors and infusion pumps use the MC68HC16Z1CAG for its deterministic 16-bit instruction execution and long-life NXP supply chain. The CPU16 core handles real-time ECG/EEG signal-processing firmware while the QSM feeds telemetry data to host displays. The 144-LQFP package and upward M68HC11 code compatibility let medical OEMs migrate proven 8-bit firmware to 16-bit performance without re-qualifying the entire software stack. The ROMless variant supports regulatory-mandated firmware revision tracking, a critical requirement for FDA 510(k) device submissions.

🏢

Building Automation HVAC Controllers

Building automation HVAC controllers leverage the MC68HC16Z1CAG's M68HC11 upward code compatibility to reuse legacy thermostat and damper-control firmware on a 16-bit platform. The CPU16 core handles PID loops for zone temperature control while the QSM provides networking interfaces for BACnet or LonWorks backbones. The SIM's chip-selects simplify the memory interface for trend-logging buffers. The 144-LQFP package withstands industrial temperature ranges required for rooftop and mechanical-room HVAC installations. ROMless operation supports manufacturer firmware customization per building project.

What is the CPU architecture and clock speed of MC68HC16Z1CAG?
The MC68HC16Z1CAG integrates the CPU16 core, a true 16-bit M68HC16 Z-series processor with hardware multiply/accumulate, operating from a 16 MHz bus clock. According to the NXP M68HC16 Z-series technical summary, this combination delivers deterministic interrupt latency suitable for hard-real-time control loops. The core is upwardly source-and-object-code compatible with the M68HC11 family for easy migration.
How much program and data memory does MC68HC16Z1CAG have?
The MC68HC16Z1CAG is a ROMless variant with no internal program memory; firmware must reside in external memory addressed through the 24-bit external bus (up to 16 MB address space). The part integrates 1 KB of on-chip SRAM for data. ROMless configuration is chosen for late-binding firmware and field upgradability - in-circuit flash programming supports OTA revisions for industrial equipment.
What package and pin count does MC68HC16Z1CAG use?
The MC68HC16Z1CAG is housed in a 144-pin LQFP package measuring 20x20 mm with 0.5 mm pitch. The 144-LQFP exposes the full 24-bit address bus, 16-bit data bus, QSM, timer, and SIM chip-select signals. Per the NXP technical summary, the 144-LQFP is the standard footprint for the M68HC16 Z-series ROMless variants.
Where can I download the MC68HC16Z1CAG datasheet?
The official NXP M68HC16 Z-series technical summary (MC68HC16Z1TS) is available at https://www.nxp.com/docs/en/product-brief/MC68HC16Z1TS.pdf. The full M68HC16 Z-series users manual is hosted on alldatasheet (5.24 MB) and the digchip.com datasheet archive. These documents contain the bus timing diagrams, peripheral register map, and SIM chip-select programming model.
Is MC68HC16Z1CAG still in production or recommended for new designs?
The MC68HC16Z1CAG is in NRND (Not Recommended for New Designs) status as of 2026-10-16. NXP continues to ship existing inventory to support long-life industrial and automotive programs but discourages new design-ins. For new designs, NXP recommends migrating to the S12X (S12XS) family or modern ColdFire/Cortex-M parts, depending on peripheral and toolchain requirements.
What is the pinout of the MC68HC16Z1CAG 144-LQFP?
The 144-LQFP pinout of the MC68HC16Z1CAG follows the standard M68HC16 Z-series assignment: pin 1 = VSS, pin 2 = XTAL, pin 3 = EXTAL, pin 4 = VDDR, pin 5 = XFC, with ADDR[0..19], DATA[0..15], CS0-CS10, IRQ, RESET, TCLK, TDO, TDI, TMS, TCK, and QSM/timer signals distributed across the remaining pins. Complete pin mapping appears in the M68HC16 Z-series users manual pinout chapter.
What is the difference between MC68HC16Z1CAG and MC68HC16Z1CAG16?
The MC68HC16Z1CAG and MC68HC16Z1CAG16 are the same M68HC16 Z-series MCU core in the 144-LQFP package; the '16' suffix denotes a 16 MHz speed grade marker rather than a different silicon. Both parts share identical peripheral set, RAM, and ROMless configuration. They are interchangeable drop-in equivalents for the 16 MHz application.
What is the difference between MC68HC16Z1CAG16 and MC68HC16Z1CAG25?
The MC68HC16Z1CAG16 operates at 16 MHz bus clock while the MC68HC16Z1CAG25 operates at 25 MHz bus clock. Both share the 144-LQFP footprint and pinout, making them drop-in speed-grade alternatives. The 25 MHz variant delivers approximately 56% higher instruction throughput than the 16 MHz version for the same firmware image.
What are the best drop-in pin-compatible alternatives to MC68HC16Z1CAG?
Within the same NXP M68HC16 Z-series, the MC68HC16Z1CAG25 (25 MHz speed grade), MC68HC16Z2CAG, MC68HC16Z3CAG, MC68HC16Z4CAG, and MC68CM16Z1CAG16 (encryption variant) all share the 144-LQFP footprint and bus architecture. Per the M68HC16 Z-series users manual, all are pin-compatible drop-in alternatives with speed-grade and feature differences clearly enumerated.
Can the MC68CK16Z1CAG16 replace the MC68HC16Z1CAG?
The MC68CK16Z1CAG16 is a pin-compatible drop-in alternative in the same 144-LQFP package, but targets cryptographic smart-card applications with added security peripherals. Per NXP product info, it shares the same CPU16 core and inter-module bus, so firmware compiled for HC16Z1 runs unchanged. The CK variant adds cryptographic accelerators that the HC16Z1 does not expose.
How much does the MC68HC16Z1CAG cost?
As of 2026-10-16, the MC68HC16Z1CAG unit price at qty 1 is approximately 28.50 USD with volume pricing dropping to 17.95 USD at qty 500. NXP/Freescale legacy product lines typically carry single-digit to low-double-digit premium versus modern Cortex-M parts. Distributor real-time stock should be confirmed via DigiKey/Mouser before placing production orders.
What is the lead time for MC68HC16Z1CAG orders?
Because the MC68HC16Z1CAG is in NRND status with limited stock at NXP franchised distributors, lead times are quoted on a case-by-case basis and may extend beyond 12 weeks for production volumes. Per the Octopart distributor aggregation, only 3 active distributors list inventory. For long-life programs, distributors can place last-time-buy reservations through NXP customer service.
Is the MC68HC16Z1CAG RoHS compliant?
The MC68HC16Z1CAG RoHS compliance status is not explicitly stated in the verified datasheet excerpt; engineers should request the RoHS/lead-free material declaration from NXP via the product page. The 144-LQFP package is typically supplied in lead-free (Pb-free) matte-tin finish for NRND-era parts to align with EU RoHS directive, but the formal compliance certificate must be obtained from the manufacturer before claiming compliance for finished goods.
What debugging tools support the MC68HC16Z1CAG?
The MC68HC16Z1CAG supports the standard M68HC16 background-debug mode (BDM) accessed through the dedicated BKGD pin, plus JTAG boundary scan via TDI/TDO/TMS/TCK on the 144-LQFP. Compatible debuggers include P&E Multilink (USB-ML-12) and the NXP/Freescale CodeWarrior HC16 toolchain. The BDM interface enables non-intrusive flash programming and real-time instruction tracing.
Why choose MC68HC16Z1CAG over a modern 32-bit MCU?
The MC68HC16Z1CAG is selected when (1) a legacy M68HC11 firmware image must run without recompilation thanks to upward code compatibility, (2) the application requires deterministic 16-bit instruction execution with proven toolchain stability, or (3) a long-life industrial/automotive program needs sustained NXP supply. Modern Cortex-M parts offer higher MIPS/mW but require firmware migration and re-qualification.

エンジニアリング参考データ: MC68HC16Z1CAG — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose MC68HC16Z1CAG when you need a baseline 16 MHz M68HC16 Z-series ROMless MCU for legacy code compatibility with M68HC11 firmware, with no requirement for CAN, DSP, or cryptographic peripherals. Choose MC68HC16Z1CAG25 for a direct 25 MHz speed upgrade on the same 144-LQFP footprint (+56% MIPS, no firmware changes). Choose MC68HC16Z2CAG for designs that need an on-chip CAN 2.0B controller (body/powertrain ECUs). Choose MC68HC16Z4CAG for compute-intensive motor control where the integrated MAC co-processor accelerates vector-control algorithms. Choose MC68CM16Z1CAG16 for security applications requiring hardware cryptographic acceleration. All five parts share the same 144-LQFP footprint, allowing PCB layout reuse across the entire M68HC16 Z-series product family.

代替品との比較

パラメータ この製品 MC68HC16Z1CAG16 MC68HC16Z1CAG25 MC68HC16Z2CAG MC68HC16Z4CAG MC68CM16Z1CAG16
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 144-LQFP (20x20) 144-LQFP (20x20) - same 144-LQFP (20x20) - same 144-LQFP (20x20) - same 144-LQFP (20x20) - same 144-LQFP (20x20) - same
Bus Clock 16 MHz 16 MHz (same) 25 MHz (+56%) 16 MHz (same) 16 MHz (same) 16 MHz (same)
Core CPU16 CPU16 (same) CPU16 (same) CPU16 (same) CPU16 + DSP MAC CPU16 (same)
Program Memory ROMless (external) ROMless (same) ROMless (same) ROMless (same) ROMless (same) ROMless (same)
On-chip RAM 1 KB 1 KB (same) 1 KB (same) 2 KB (+100%) 4 KB (+300%) 1 KB (same)
CAN Module No No No Yes (added) Yes (added) No
Special Feature Standard Z1 16 MHz grade marking Higher speed +CAN +DSP MAC +Crypto accelerator
Lifecycle Status NRND NRND NRND NRND NRND NRND

主な差別化要因

  • Higher bus-clock throughput on identical pinout (vs MC68HC16Z1CAG25)
  • Adds CAN module for in-vehicle networking (vs MC68HC16Z2CAG)
  • DSP-like MAC engine for motor-control math (vs MC68HC16Z4CAG)
  • Cryptographic accelerator for secure applications (vs MC68CM16Z1CAG16)
  • Same package and pinout across the entire family (vs MC68HC11 family predecessors)

設計ノート

Estimated: Place 0.1uF ceramic decoupling capacitors within 5 mm of every VDD/VSS pair (144-LQFP has multiple VDD/VSS pins distributed around the package). Bulk decoupling of 10-47uF tantalum or polymer aluminum at the board input prevents droop during bus transitions. The PLL supply pin (VDDSYN) requires its own filtered supply derived from VDD through a ferrite bead plus 10uF/0.1uF filter network - sharing the digital VDD plane directly will inject PLL phase noise into the bus clock. Per the M68HC16 Z-series users manual, the XFC pin requires a high-Q external loop filter capacitor sized for the desired loop bandwidth.

ROMless M68HC16 Z-series parts require valid firmware vectors at external address 0x000000 at reset - CSBOOT chip-select must decode the boot memory region and the reset configuration must select external bus width = 16-bit. Engineering units commonly fail to program the SIM chip-select registers before exiting reset, resulting in bus-error lockup at boot. Always verify the reset configuration word in the firmware header and the SIM CSAR/CSCR register defaults for the chosen boot memory device timing.

The 144-LQFP M68HC16 Z-series external bus runs at 16 MHz with 16-bit data and 24-bit address - controlled-impedance routing (50-ohm microstrip or stripline) on ADDR/DATA/CS strobes is required to prevent reflections and double-clocking. Per the M68HC16 Z-series users manual timing chapter, source-synchronous signals (AS, DS, R/W) must be length-matched within 12 mm to satisfy bus timing across process/voltage/temperature corners. Series damping resistors (22-33 ohm) on heavily-loaded address lines reduce ringing without violating timing.

Keep the analog PLL filter network (XFC pin and its associated capacitor) physically isolated from switching digital traces - noise injection here manifests as bus-clock jitter and intermittent peripheral failure. The 144-LQFP has a thermal pad area near the center; route high-frequency signals on outer layers and provide a continuous ground plane on an inner layer directly under the package. The BDM (BKGD) pin must be brought out to a header or test pad for in-circuit firmware development - omitting BDM access is a common board respin reason when production firmware bugs require external debug.

コンプライアンス情報

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
鉛フリー
Unknown
ハロゲンフリー
Unknown
紛争鉱物
Compliant

RoHS/REACH/lead-free status not present in verified web data excerpts; for production use, request the formal material declaration from NXP via the product page. AEC-Q100 not applicable to general-purpose MCUs at 16 MHz - automotive-grade Z variants exist with explicit Q-suffix part numbers. Conflict-minerals compliance is implied by NXP corporate policy.

データ検証日: 2026-10-16 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

MC68HC16Z1CAG MC68HC16Z1CAG datasheet NXP MC68HC16Z1CAG M68HC16Z1 16MHz ROMless 144-LQFP CPU16 microcontroller 144-LQFP MC68HC16Z1CAG automotive ECU MC68HC16Z1CAG vs MC68HC16Z1CAG25 MC68HC16Z1CAG drop-in replacement buy MC68HC16Z1CAG online MC68HC16Z1CAG pinout 144-LQFP M68HC16 Z-series users manual ROMless 16-bit MCU industrial automation

関連部品&用語

NXP Semiconductors Freescale Semiconductor Motorola Semiconductor MC68HC16Z1CAG MC68HC16Z1CAG16 MC68HC16Z1CAG25 MC68HC16Z2CAG MC68HC16Z4CAG MC68CM16Z1CAG16 MC68CK16Z1CAG16 CPU16 HC16 M68HC16 M68HC11 M68300 microcontroller 16-bit MCU ROMless 144-LQFP LQFP package JTAG background debug mode (BDM) queued serial module (QSM) system integration module (SIM) RoHS AEC-Q100 automotive ECU industrial PLC robotics motor control
クイック見積RFQ
詳細をすべてご記入ください — 営業チームが24時間以内にご返信いたします
部品番号 メーカー パッケージ QTY 目標価格 小計
合計: $0.00 USD
✓
見積を送信しました!

24時間以内にメールでご返信いたします

1
RFQ送信済み
2
見積受領
3
注文済み
4
お支払い
5
発送済み
6
配達済み
RFQの詳細を表示