74HC595:
This is a 8-bit serial-in, serial or parallel-out shift register with output latches; 3-state.
Symbol | Pin | Description |
---|---|---|
Q1 | 1 | parallel data output 1 |
Q2 | 2 | parallel data output 2 |
Q3 | 3 | parallel data output 3 |
Q4 | 4 | parallel data output 4 |
Q5 | 5 | parallel data output 5 |
Q6 | 6 | parallel data output 6 |
Q7 | 7 | parallel data output 7 |
GND | 8 | ground (0 V) |
Q7S | 9 | serial data output |
MR | 10 | master reset (active LOW) |
SHCP | 11 | shift register clock input |
STCP | 12 | storage register clock input |
OE | 13 | output enable input (active LOW) |
DS | 14 | serial data input |
Q0 | 15 | parallel data output 0 |
VCC | 16 | supply voltage |
See this link for sample usage and arduino code.
7400 - quad 2 input NAND gate:
74164 - 8-bit parallel out shift register:
74165 - 8-bit parallel load shift register:
74240 - Octal buffer/line driver, 3-state, inverting:
74244 - Octal buffer/line driver, 3-state:
hold 1G and 2G low, to enable.