• Type: Octal buffer/driver with 3-state outputs
• Logic Family: ABT (Advanced BiCMOS TTL)
• Number of Buffers/Drivers: 8
• Output Type: 3-state (controlled by Output Enable pin)
• Package: SOIC-20 or DIP-20 (verify exact package; BM1 typically SOIC)
• Supply Voltage (Vcc): 4.5 – 5.5 V
• Input Logic Levels: TTL compatible
• Output Drive: High-current CMOS output
• Propagation Delay: ~4–6 ns typical at Vcc = 5 V
• Operating Temperature: −40 °C to +85 °C (industrial)
• Function: Buffers or drives signals; isolates bus when outputs disabled
• Applications:
  • Bus driving and signal isolation
  • Memory and I/O expansion
  • Digital system interfacing

Pin Summary (SOIC-20 / DIP-20)

• Pins 1–8: Data inputs
• Pins 11–18: Data outputs
• Pin 19: Output Enable (OE, active LOW)
• Pin 10: GND
• Pin 20: VCC