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INTEGRATED CIRCUITS
74ALS645A/74ALS645A–1 Octal transceiver (3–State)
Product specification IC05 Data Handbook 1991 Jun 03
Philips Semiconductors
Philips Semiconductors
Product specification
Octal transceiver (3-State)
74ALS645A/74ALS645A-1
FEATURES
• Octal bidirectional bus interface • 3-State buffer outputs sink 24mA and source 15mA • Outputs are placed in high impedance state during power-off
conditions
PIN CONFIGURATION
T/R 1 A0 A1 A2 A3 A4 2 3 4 5 6 7 8 9 20 VCC 19 OE 18 B0 17 B1 16 B2 15 B3 14 B4 13 B5 12 B6 11 B7
• The -1 version sinks 48mA IOL within the +5% VCC range
DESCRIPTION
The 74ALS645A is an octal transceiver featuring non-inverting 3-State bus compatible outputs in both transmit and receive directions.