74HC5555 Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

74HC5555

Programmable delay timer with oscillator

NXP Semiconductors. 

Philips Semiconductors

Programmable delay timer with oscillator

Product specification

74HC/HCT5555

handbook, full pagewidth

MR INPUT

A INPUT

B INPUT

VM (1)

tW

t PLH

t rem

VM (1)

t rem

VM (1)

Q OUTPUT

VM (1)

t PHL

Q OUTPUT

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

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

VM (1)

MGA652-1

Fig.7 Waveforms showing the master reset (MR) pulse width, the master reset to outputs (Q and Q) propagation

delays and the master reset to trigger inputs (A and B) removal time.

September 1993

17

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