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Pinouts
PIN IDENTIFICATION
PIN IDENTIFICATION
CMOS ICs: 4000...4049
TTL ICs: 7400...7449
A-D and D-A converters
CMOS ICs: 40100...40999
TTL ICs: 74100...74149
Analog ICs
CMOS ICs: 4050...4099
TTL ICs: 741000...743999
Central Processing Units and Microcontrollers
ICs: 4300...4599
TTL ICs: 74150...74199
Drivers and level shifters
MAX232, MAX232A
5V RS232 transceiver.To operate, connect two capacitors to the C1 and C2 pins, one between the V- and GND, and one between V+ and GND. For the MAX232, capacitors should be 10uF, for the MAX232A 100nF is enough.