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Meets IEEE Standard 488-1978 (GPIB)

8-Channel Bidirectional Transceivers

Power-Up/Power-Down Protection

(Glitch Free)

Designed to Implement Control Bus

Interface

SN75161B Designed for Single Controller

SN75162B Designed for Multiple

Controllers

High-Speed, Low-Power Schottky Circuitry

Low Power Dissipation . . . 72 mW Max Per

Channel

Fast Propagation Times . . . 22 ns Max

High-Impedance pnp Inputs

Receiver Hysteresis . . . 650 mV Typ

Bus-Terminating Resistors Provided on

Driver Outputs

No Loading of Bus When Device Is

Powered Down (VCC = 0)

description

The SN75161B and SN75162B eight-channel,

general-purpose interface bus transceivers are

monolithic, high-speed, low-power Schottky

devices designed to meet the requirements of

IEEE Standard 488-1978. Each transceiver is

designed to provide the bus-management and

data-transfer signals between operating units of

a single- or multiple-controller instrumentation

system. When combined with the SN75160B octal

bus transceiver, the SN75161B or SN75162B

provides the complete 16-wire interface for the

IEEE-488 bus.

The SN75161B and SN75162B feature eight

driver-receiver pairs connected in a front-to-back

configuration to form input/output (I/O) ports at

both the bus and terminal sides. A powerup/-

down disable circuit is included on all bus and

receiver outputs. This provides glitch-free operation

during VCC power up and power down.