Siemens MS42 PCB Components

Front Side

1. Infineon C167CR-LM CPU

16-Bit Single-Chip Microcontroller C166 Family File:Infineon C167CR.pdf

Chip Markings
Infineon SAK-C167CR-LM GA-T

2. AMD AM29F400BB Flash

4 Megabit CMOS 5.0 Volt Boot Sector Flash Memory File:AMD AM29F400B.pdf

Chip Markings
AM29F400BB -55SI 0047GBA N

3. Crystal

Generic 8.000000MHz Crystal

Chip Markings
8.000000

4. HI 14CL36 IGBT

Ignition IGBTs with cylinder 6 at the top and cylinder 1 at the bottom.

No datasheet available.

Chip Markings
HI 14CL40 H840 KYL

5. Motorola HC4851A Multiplexer

Analog Multiplexer/Demultiplexer with Injection Current Effect Control File:Motorola MC74HC4851A.pdf

Chip Markings
HC4851A XAA9845

Input Description

• Pin 1 -
• Pin 2 -
• Pin 4 -
• Pin 5 -
• Pin 12 - Coolant Temperature Sensor
• Pin 14 - Intake Air Temperature Sensor (2.49kOhm Pullup Resistor)
• Pin 15 - Oil Temperature Sensor (828Ohm Pullup Resistor)

6. Infineon K-IC 766707

Unknown purpose

Chip Markings
Infineon K-IC 766707 VB107092

7. Mitsubishi M37477M2 MCU

Single-Chip 8-bit CMOS Microcomputer File:Mitsubishi M37477M2.pdf

This additional MCU is part of the drive-by-wire system.

Chip Markings
SW.0ET32040 M37477M2T3907FP 107103

8. Motorola TY93065D

Automotive ISO 9141 Serial Link Driver

Seems to be the same as NXP MC33199D File:NXP MC33199.pdf

Chip Markings
TY93065D XAA101

9. NXP PCA82C250

CAN Controller Interface File:NXP PCA82C250.pdf

Chip Markings
A82C250 0M6D6 n1064

10. TDK ZJY25 TVS Diode

CAN Bus ESD Protection TVS Diode

Chip Markings
TDK ZJY25 Z

11. NSC LMB10285

National Semi Conductors

Regulated +5V supply

Chip Markings
AM88AJ LMB10285 B E

Back Side

1. ZMD U62H64SA SRAM

Automotive Fast 8K x 8 SRAM File:ZMD U62H64SA.pdf

Chip Markings
ZMD U62H64SA 35 0102

2. Philips 74HCT574

Octal D-type flip-flop File:Philips 74HCT574D.pdf

Chip Markings
74HCT574D D9524ME Hnn0105 F