74HC91 데이터 시트보기 (PDF) - Philips Electronics

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74HC91

Nine wide Schmitt trigger buffer; open drain outputs; inverting

Philips Electronics 

Philips Semiconductors

Nine wide Schmitt trigger buffer;

open drain outputs; inverting

TRANSFER CHARACTERISTIC WAVEFORMS

Product specification

74HC/HCT9114

Fig.6 Transfer characteristic.

AC WAVEFORMS

handbook, full pagewidth

An INPUT

tr

10 %

VM (1)

90 %

t PLZ

Y n OUTPUT

MBA024

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

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

10 %

tf

t PZL

t THL

VM (1)

Fig.7 Waveforms showing the input (An) to output (Yn) propagation delays and the output transition times.

PACKAGE OUTLINES

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

December 1990

7

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