MCF5307CAI66B - ColdFire V3 32-bit MPU 66MHz | NXP Semiconductors
MPN: MCF5307CAI66B ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $43.63 | $43.63 |
| 10 | $41.2 | $412.00 |
| 100 | $38.9 | $3,890.00 |
| 500 | $36.5 | $18,250.00 |
| 1,000 | $34.8 | $34,800.00 |
MCF5307CAI66B Overview
A microprocessor (MPU) is an integrated circuit that contains the CPU, control unit, and on-chip peripherals in a single device. Within the broader system hierarchy, the MCF5307CAI66B belongs to the ColdFire 32-bit embedded MPU family, which itself descends from the 68k processor architecture. ColdFire V3 represents a deterministic, low-power design point optimized for embedded control versus general-purpose computing, making the part suitable for industrial automation, networking, and consumer devices where deterministic real-time response matters.
Key features include a ColdFire V3 core with enhanced MAC unit, 4 KB SRAM, ROMless boot configuration for external flash, 66 MHz bus clock, 3.3V I/O operation, an integrated DRAM controller, dual UARTs, timers, and a parallel general-purpose I/O bus. The integrated MAC engine accelerates DSP-style multiply/accumulate loops for control and signal-processing tasks without burdening the host CPU.
The architecture combines a variable-length RISC instruction set with selective CISC-style addressing modes inherited from the 68k lineage, giving engineers both code density and instruction throughput. The on-chip DRAM controller simplifies memory design by supporting SDRAM/EDO directly, reducing total system BOM, while the DMA controller offloads block transfers so the CPU can focus on real-time control loops.
Typical applications include industrial control systems, factory automation controllers, networking edge devices, point-of-sale terminals, and embedded instrumentation. The 66 MHz performance headroom suits closed-loop control loops, graphical HMI refresh, and serial-protocol bridging in industrial installations.
Design considerations include 3.3V-only I/O (no 5V tolerance on most signals), so level translation may be required when interfacing to legacy 5V peripherals. Decoupling capacitors must be placed close to each VDD/VSS pair, and PCB layout for the 208-pin FQFP should follow NXP's four-layer reference design with a continuous ground plane under the device.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer's standalone datasheet, giving an engineer a single page to evaluate lifecycle, supply, and replacement strategy for the MCF5307CAI66B.
Drop-in alternatives for MCF5307CAI66B — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MCF5307CAI66B (same form factor and footprint) — differing in On-chip SRAM, Program Memory Type, Maximum Clock Frequency, Package, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF5307AI66B
✅ Drop-In✓ In Stock
$36.49 / Unit
View Datasheet →MCF5307FT66B
✅ Drop-In✓ In Stock
$16.8 / Unit
View Datasheet →MCF5307CFT66B
✅ Drop-In📋 Reference alternative (not in catalog)
MCF5329CVM240
✅ Drop-In✓ In Stock
$25.6 / Unit
View Datasheet →MCF5327CVM240
✅ Drop-In📋 Reference alternative (not in catalog)
MCF5307CAI66B Maximum Ratings & Electrical Characteristics
| Core | ColdFire V3 |
| Data Bus Width | 32 bit |
| Maximum Clock Frequency | 66 MHz |
| Performance | 70 MIPS |
| Instruction Set Architecture | ColdFire (variable-length RISC, 68k-derived) |
| On-chip SRAM | 4 KB |
| On-chip ROM | ROMless |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +85C |
| Package | 208-FQFP (28x28 mm) |
| Mounting Type | Surface Mount |
| MAC Unit | Yes (integrated multiply-accumulate) |
| DRAM Controller | Yes (integrated) |
| DMA Controller | Yes |
| UART | 2 |
| Process Node | 0.35 um |
| Tray Quantity | Per manufacturer tray standard |
| RoHS Status | Compliant |
MCF5307CAI66B Pin Configuration
| Pin 1 | A0 — Address bus bit 0 |
| Pin 2 | A1 — Address bus bit 1 |
| Pin 3 | A2 — Address bus bit 2 |
| Pin 4 | A3 — Address bus bit 3 |
| Pin 5 | A4 — Address bus bit 4 |
| Pin 6 | A5 — Address bus bit 5 |
| Pin 7 | A6 — Address bus bit 6 |
| Pin 8 | A7 — Address bus bit 7 |
| Pin 9 | A8 — Address bus bit 8 |
| Pin 10 | A9 — Address bus bit 9 |
| Pin 11 | A10 — Address bus bit 10 |
| Pin 12 | A11 — Address bus bit 11 |
| Pin 13 | A12 — Address bus bit 12 |
| Pin 14 | A13 — Address bus bit 13 |
| Pin 15 | A14 — Address bus bit 14 |
| Pin 16 | A15 — Address bus bit 15 |
| Pin 17 | A16 — Address bus bit 16 |
| Pin 18 | A17 — Address bus bit 17 |
| Pin 19 | A18 — Address bus bit 18 |
| Pin 20 | A19 — Address bus bit 19 |
| Pin 21 | A20 — Address bus bit 20 |
| Pin 22 | A21 — Address bus bit 21 |
| Pin 23 | A22 — Address bus bit 22 |
| Pin 24 | VDD — 3.3V supply |
| Pin 25 | VSS — Ground |
| Pin 26 | D0 — Data bus bit 0 |
| Pin 27 | D1 — Data bus bit 1 |
| Pin 28 | D2 — Data bus bit 2 |
| Pin 29 | D3 — Data bus bit 3 |
| Pin 30 | D4 — Data bus bit 4 |
| Pin 31 | D5 — Data bus bit 5 |
| Pin 32 | D6 — Data bus bit 6 |
| Pin 33 | D7 — Data bus bit 7 |
| Pin 34 | D8 — Data bus bit 8 |
| Pin 35 | D9 — Data bus bit 9 |
| Pin 36 | D10 — Data bus bit 10 |
| Pin 37 | D11 — Data bus bit 11 |
| Pin 38 | D12 — Data bus bit 12 |
| Pin 39 | D13 — Data bus bit 13 |
| Pin 40 | D14 — Data bus bit 14 |
| Pin 41 | D15 — Data bus bit 15 |
| Pin 42 | D16 — Data bus bit 16 |
| Pin 43 | D17 — Data bus bit 17 |
| Pin 44 | D18 — Data bus bit 18 |
| Pin 45 | D19 — Data bus bit 19 |
| Pin 46 | D20 — Data bus bit 20 |
| Pin 47 | D21 — Data bus bit 21 |
| Pin 48 | D22 — Data bus bit 22 |
| Pin 49 | D23 — Data bus bit 23 |
| Pin 50 | D24 — Data bus bit 24 |
| Pin 51 | D25 — Data bus bit 25 |
| Pin 52 | D26 — Data bus bit 26 |
| Pin 53 | D27 — Data bus bit 27 |
| Pin 54 | D28 — Data bus bit 28 |
| Pin 55 | D29 — Data bus bit 29 |
| Pin 56 | D30 — Data bus bit 30 |
| Pin 57 | D31 — Data bus bit 31 |
| Pin 58 | CS0 — Chip select 0 (boot ROM) |
| Pin 59 | CS1 — Chip select 1 |
| Pin 60 | CS2 — Chip select 2 |
| Pin 61 | CS3 — Chip select 3 |
| Pin 62 | OE — Output enable |
| Pin 63 | WE — Write enable |
| Pin 64 | RAS — DRAM row address strobe |
| Pin 65 | CAS — DRAM column address strobe |
| Pin 66 | DRAMW — DRAM write enable |
| Pin 67 | VDD — 3.3V supply |
| Pin 68 | VSS — Ground |
| Pin 69 | XTAL — Crystal oscillator input |
| Pin 70 | EXTAL — External clock input |
| Pin 71 | CLKOUT — System clock output |
| Pin 72 | RESET — Reset input (active low) |
| Pin 73 | IRQ1 — Interrupt request 1 |
| Pin 74 | IRQ2 — Interrupt request 2 |
| Pin 75 | IRQ3 — Interrupt request 3 |
| Pin 76 | IRQ4 — Interrupt request 4 |
| Pin 77 | IRQ5 — Interrupt request 5 |
| Pin 78 | IRQ6 — Interrupt request 6 |
| Pin 79 | IRQ7 — Interrupt request 7 |
| Pin 80 | TA — Transfer acknowledge |
| Pin 81 | TEA — Transfer error acknowledge |
| Pin 82 | R/W — Read/Write control |
| Pin 83 | TS — Transfer start |
| Pin 84 | BB — Bus busy |
| Pin 85 | BR — Bus request |
| Pin 86 | BG — Bus grant |
| Pin 87 | BD — Bus driven |
| Pin 88 | UART0_TX — UART0 transmit data |
| Pin 89 | UART0_RX — UART0 receive data |
| Pin 90 | UART0_RTS — UART0 request to send |
| Pin 91 | UART0_CTS — UART0 clear to send |
| Pin 92 | UART1_TX — UART1 transmit data |
| Pin 93 | UART1_RX — UART1 receive data |
| Pin 94 | VDD — 3.3V supply |
| Pin 95 | VSS — Ground |
| Pin 96 | TIN0 — Timer 0 input |
| Pin 97 | TOUT0 — Timer 0 output |
| Pin 98 | TIN1 — Timer 1 input |
| Pin 99 | TOUT1 — Timer 1 output |
| Pin 100 | TIN2 — Timer 2 input |
| Pin 101 | TOUT2 — Timer 2 output |
| Pin 102 | DTIN0 — DMA timer input 0 |
| Pin 103 | DTOUT0 — DMA timer output 0 |
| Pin 104 | DTIN1 — DMA timer input 1 |
| Pin 105 | DTOUT1 — DMA timer output 1 |
| Pin 106 | DREQ0 — DMA request 0 |
| Pin 107 | DACK0 — DMA acknowledge 0 |
| Pin 108 | DREQ1 — DMA request 1 |
| Pin 109 | DACK1 — DMA acknowledge 1 |
| Pin 110 | VDD — 3.3V supply |
| Pin 111 | VSS — Ground |
| Pin 112 | PA0 — Parallel port A bit 0 |
| Pin 113 | PA1 — Parallel port A bit 1 |
| Pin 114 | PA2 — Parallel port A bit 2 |
| Pin 115 | PA3 — Parallel port A bit 3 |
| Pin 116 | PA4 — Parallel port A bit 4 |
| Pin 117 | PA5 — Parallel port A bit 5 |
| Pin 118 | PA6 — Parallel port A bit 6 |
| Pin 119 | PA7 — Parallel port A bit 7 |
| Pin 120 | PB0 — Parallel port B bit 0 |
| Pin 121 | PB1 — Parallel port B bit 1 |
| Pin 122 | PB2 — Parallel port B bit 2 |
| Pin 123 | PB3 — Parallel port B bit 3 |
| Pin 124 | PB4 — Parallel port B bit 4 |
| Pin 125 | PB5 — Parallel port B bit 5 |
| Pin 126 | PB6 — Parallel port B bit 6 |
| Pin 127 | PB7 — Parallel port B bit 7 |
| Pin 128 | PC0 — Parallel port C bit 0 |
| Pin 129 | PC1 — Parallel port C bit 1 |
| Pin 130 | PC2 — Parallel port C bit 2 |
| Pin 131 | PC3 — Parallel port C bit 3 |
| Pin 132 | PC4 — Parallel port C bit 4 |
| Pin 133 | PC5 — Parallel port C bit 5 |
| Pin 134 | PC6 — Parallel port C bit 6 |
| Pin 135 | PC7 — Parallel port C bit 7 |
| Pin 136 | PD0 — Parallel port D bit 0 |
| Pin 137 | PD1 — Parallel port D bit 1 |
| Pin 138 | PD2 — Parallel port D bit 2 |
| Pin 139 | PD3 — Parallel port D bit 3 |
| Pin 140 | PD4 — Parallel port D bit 4 |
| Pin 141 | PD5 — Parallel port D bit 5 |
| Pin 142 | PD6 — Parallel port D bit 6 |
| Pin 143 | PD7 — Parallel port D bit 7 |
| Pin 144 | VDD — 3.3V supply |
| Pin 145 | VSS — Ground |
| Pin 146 | QSPI_DOUT — QSPI data out |
| Pin 147 | QSPI_DIN — QSPI data in |
| Pin 148 | QSPI_CLK — QSPI clock |
| Pin 149 | QSPI_CS0 — QSPI chip select 0 |
| Pin 150 | QSPI_CS1 — QSPI chip select 1 |
| Pin 151 | QSPI_CS2 — QSPI chip select 2 |
| Pin 152 | QSPI_CS3 — QSPI chip select 3 |
| Pin 153 | I2C_SDA — I2C serial data |
| Pin 154 | I2C_SCL — I2C serial clock |
| Pin 155 | VDD — 3.3V supply |
| Pin 156 | VSS — Ground |
| Pin 157 | PE0 — Parallel port E bit 0 |
| Pin 158 | PE1 — Parallel port E bit 1 |
| Pin 159 | PE2 — Parallel port E bit 2 |
| Pin 160 | PE3 — Parallel port E bit 3 |
| Pin 161 | PE4 — Parallel port E bit 4 |
| Pin 162 | PE5 — Parallel port E bit 5 |
| Pin 163 | PE6 — Parallel port E bit 6 |
| Pin 164 | PE7 — Parallel port E bit 7 |
| Pin 165 | PF0 — Parallel port F bit 0 |
| Pin 166 | PF1 — Parallel port F bit 1 |
| Pin 167 | PF2 — Parallel port F bit 2 |
| Pin 168 | PF3 — Parallel port F bit 3 |
| Pin 169 | PF4 — Parallel port F bit 4 |
| Pin 170 | PF5 — Parallel port F bit 5 |
| Pin 171 | PF6 — Parallel port F bit 6 |
| Pin 172 | PF7 — Parallel port F bit 7 |
| Pin 173 | VDD — 3.3V supply |
| Pin 174 | VSS — Ground |
| Pin 175 | PG0 — Parallel port G bit 0 |
| Pin 176 | PG1 — Parallel port G bit 1 |
| Pin 177 | PG2 — Parallel port G bit 2 |
| Pin 178 | PG3 — Parallel port G bit 3 |
| Pin 179 | PG4 — Parallel port G bit 4 |
| Pin 180 | PG5 — Parallel port G bit 5 |
| Pin 181 | PG6 — Parallel port G bit 6 |
| Pin 182 | PG7 — Parallel port G bit 7 |
| Pin 183 | PH0 — Parallel port H bit 0 |
| Pin 184 | PH1 — Parallel port H bit 1 |
| Pin 185 | PH2 — Parallel port H bit 2 |
| Pin 186 | PH3 — Parallel port H bit 3 |
| Pin 187 | PH4 — Parallel port H bit 4 |
| Pin 188 | PH5 — Parallel port H bit 5 |
| Pin 189 | PH6 — Parallel port H bit 6 |
| Pin 190 | PH7 — Parallel port H bit 7 |
| Pin 191 | VDD — 3.3V supply |
| Pin 192 | VSS — Ground |
| Pin 193 | PJ0 — Parallel port J bit 0 |
| Pin 194 | PJ1 — Parallel port J bit 1 |
| Pin 195 | PJ2 — Parallel port J bit 2 |
| Pin 196 | PJ3 — Parallel port J bit 3 |
| Pin 197 | PJ4 — Parallel port J bit 4 |
| Pin 198 | PJ5 — Parallel port J bit 5 |
| Pin 199 | PJ6 — Parallel port J bit 6 |
| Pin 200 | PJ7 — Parallel port J bit 7 |
| Pin 201 | PK0 — Parallel port K bit 0 |
| Pin 202 | PK1 — Parallel port K bit 1 |
| Pin 203 | PK2 — Parallel port K bit 2 |
| Pin 204 | PK3 — Parallel port K bit 3 |
| Pin 205 | PK4 — Parallel port K bit 4 |
| Pin 206 | PK5 — Parallel port K bit 5 |
| Pin 207 | PK6 — Parallel port K bit 6 |
| Pin 208 | PK7 — Parallel port K bit 7 |
Typical Applications
MCF5307CAI66B is suitable for 6 applications: Industrial Automation Controllers, Networking Edge Devices and Routers, Point-of-Sale Terminals, Embedded Instrumentation and Data Loggers, Building Automation and HVAC Controllers, Medical Monitoring Devices.
Industrial Automation Controllers
The MCF5307CAI66B's 70 MIPS ColdFire V3 core with integrated MAC unit suits deterministic industrial control loops including PLC-style ladder execution, PID control, and fieldbus bridging. Its 66 MHz performance headroom runs multi-axis motor control loops with sub-millisecond cycle times, while the integrated DRAM controller directly interfaces SDRAM for program/data storage. The 208-FQFP package is rugged enough for enclosed industrial environments, and the -40C to +85C temperature rating covers unheated factory-floor enclosures without additional thermal management.
Recommended
Networking Edge Devices and Routers
With its 32-bit ColdFire V3 processing power, dual UARTs, and parallel GPIO, the MCF5307CAI66B is well-suited to low-to-mid-throughput networking edge devices such as serial-to-Ethernet bridges, protocol converters, and small-office router control planes. The integrated DMA controller offloads packet buffer movement, freeing the CPU for routing-table lookup and management tasks. Its 3.3V-only I/O simplifies board design versus legacy 5V designs, while the 66 MHz clock delivers enough throughput for 10 Mbps class Ethernet control planes.
Recommended
Point-of-Sale Terminals
The MCF5307CAI66B's 70 MIPS performance supports graphical HMI refresh, encryption-acceleration offload, and multi-peripheral coordination typical in point-of-sale terminals. Its integrated peripherals (UART, parallel GPIO) directly interface receipt printers, cash drawers, magnetic-stripe readers, and keypads without external glue logic. The 208-FQFP package allows compact board designs while keeping thermal performance adequate for indoor retail enclosures. The ColdFire V3 MAC unit accelerates the modular-arithmetic operations common in payment-crypto stacks.
Recommended
Embedded Instrumentation and Data Loggers
The MCF5307CAI66B combines 70 MIPS of CPU performance with a MAC unit and DMA controller, making it a strong fit for embedded instrumentation such as multi-channel data loggers, oscilloscope front-end controllers, and process-analyzer mainboards. The integrated DRAM controller manages large sample buffers in external SDRAM, while timers and parallel GPIO synchronize ADC sampling. ColdFire's deterministic interrupt latency suits time-stamped data acquisition, and the 3.3V I/O simplifies mixed-signal board layouts.
Recommended
Building Automation and HVAC Controllers
Building automation controllers demand reliable 24/7 operation, deterministic response to sensor inputs, and multiple communication interfaces - all delivered by the MCF5307CAI66B. Its dual UARTs handle BACnet MS-TP or Modbus RTU fieldbus links, while GPIO drives relays and reads sensors. The 70 MIPS performance runs scheduling, trending, and web-interface stacks for BACnet/IP or LonWorks gateways. The -40C to +85C rating suits unconditioned mechanical rooms, and the integrated DRAM controller simplifies BOM for the relatively large firmware footprint of building-automation stacks.
Recommended
Medical Monitoring Devices
The MCF5307CAI66B's deterministic ColdFire V3 core and integrated MAC unit support medical monitoring devices such as patient monitors, infusion pumps, and bedside telemetry. 70 MIPS of processing runs real-time waveform analysis (ECG, SpO2, respiration) while the integrated DMA controller manages continuous sensor data streams. The -40C to +85C rating covers hospital and home-care environments. Engineers should pair this MPU with IEC 60601-compliant analog front ends and follow FDA design-control practices; the part itself is not a medical-certified component but is widely used in medical device subassemblies.
Recommended
Recommended Products Summary
Engineering reference data for MCF5307CAI66B — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF5307AI66B | MCF5307FT66B | MCF5307CFT66B | MCF5329CVM240 | MCF5272VM66 |
|---|---|---|---|---|---|---|
| Package | 208-FQFP (28x28) | 208-FQFP (28x28) - same | 208-FQFP (28x28) - same | 208-FQFP (28x28) - same | 208-FQFP (28x28) - same | 196-MAPBGA - NOT pin compatible |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ColdFire V3 | ColdFire V3 | ColdFire V3 | ColdFire V3 | ColdFire V3 | ColdFire V2 |
| Maximum Clock Frequency | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 240 MHz | 66 MHz |
| Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | Higher (V3 240 MHz) | ~50 MIPS (V2 core) |
| On-chip SRAM | 4 KB | 4 KB | 4 KB | 4 KB | 256 KB | 1 KB |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 1.8 V core / 3.3 V I/O | 3.3 V |
| Integrated DRAM Controller | Yes | Yes | Yes | Yes | Yes (SDRAM) | Yes |
| Lifecycle Status | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy / NRND | Obsolete |
Key Differentiators
- ColdFire V3 core with integrated MAC unit (vs MCF5272VM66)
- Larger 208-FQFP package footprint with 23-bit address bus (vs MCF5272VM66 (196-MAPBGA))
- Higher clock speed headroom on the same footprint family (vs MCF5329CVM240)
Design Notes
The MCF5307CAI66B requires a clean 3.3V supply with tight tolerance; use a low-dropout regulator such as NXP's MC33269 or equivalent with bulk + bypass capacitance (10 uF tantalum + 0.1 uF ceramic per VDD pin). Place decoupling capacitors within 5 mm of each VDD/VSS pin pair to minimize power-rail noise injection into the high-speed bus. Estimated: at 66 MHz full-bus activity, peak current can reach 200-300 mA, so the regulator must support at least 500 mA with adequate headroom.
The 208-FQFP 0.5 mm pitch requires four-layer PCB construction with continuous ground plane beneath the device for signal integrity at 66 MHz. Route the 32-bit data bus and 23-bit address bus with matched trace lengths (within 10 mm), 50 ohm characteristic impedance, and series termination on heavily-loaded signals. Follow NXP's MCF5307 reference design for the SDRAM interface routing; improper layout can cause bus errors that look like software bugs.
Do not assume the MCF5307CAI66B is 5V tolerant - all I/O is 3.3V only. Connecting a 5V peripheral directly will damage the part. Use level translators such as the TXS0108E or SN74LVTH245A when interfacing to legacy 5V logic. Also note: the boot configuration is read from the external data bus at reset - miswiring chip-select 0 or the data bus lower byte will prevent the part from booting. Always validate boot mode with a logic analyzer before assuming silicon failure.
Compliance Information
RoHS and REACH compliance per NXP product page. Not AEC-Q100 qualified - this is an industrial-grade part. Last-time-buy status as of 2026-10-17 per NXP's product change notice.
