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General Description

The MM74C164 shift registers are a monolithic complementary MOS (CMOS) integrated circuit constructed with N- and P-channel enhancement transistors. These 8-bit shift registers have gated serial inputs and clear. Each register bit is a D-type master/slave flip-flop. A high-level input enables the other input which will then determine the state of the flip-flop.

Data is serially shifted in and out of the 8-bit register during the positive going transition of clock pulse. Clear is independent of the clock and accomplished by a low level at the clear input. All inputs are protected against electrostatic effects.

Features

■ Supply voltage range: 3V to 15V

■ Tenth power TTL compatible: drive 2 LPTTL loads

■ High noise immunity: 0.45 VCC (typ.)

■ Low power: 50 nW (typ.)

■ Medium speed operation: 0.8 MHz (typ.) with 10V supply

Applications

? Data terminals

? Instrumentation

? Medical electronics

? Alarm systems

? Industrial electronics

? Remote metering

? Computers