| Part Number | M74HC643 |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Title | OCTAL BUS TRANSCEIVER |
| Description | The 74HC643 is an advanced high-speed CMOS OCTAL BUS TRANSCEIVER (3-STATE) fabricated with silicon gate C2MOS technology. This IC is intended for ... |
| Features |
and transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
August 2001
1/11
M74HC643
INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No 1 2, 3, 4, 5, 6, 7, 8, 9 18, 17, 16, 15, 14, 13, 12, 11 19 10 20 SYMBOL DIR A1 to A8 B1 to B8...
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| Datasheet |
 M74HC643 Datasheet
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