74HC393N 查看數據表（PDF） - Philips Electronics

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74HC393N

Dual 4-bit binary ripple counter

Philips Electronics 

Philips Semiconductors

Dual 4-bit binary ripple counter

AC WAVEFORMS

Product specification

74HC/HCT393

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.7 Waveforms showing the clock (nCP) to output (1Qn, 2Qn) propagation delays, the clock pulse width, the

output transition times and the maximum clock frequency.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.8 Waveforms showing the master reset (nMR) pulse width, the master reset to output (Qn) propagation

delays and the master reset to clock (nCP) removal time.

PACKAGE OUTLINES

See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.

December 1990

7

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