74HCT401 datasheet(3/11 Pages) PHILIPS

Part #	74HCT401

Description	8-bit synchronous BCD down counter

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 11 page

December 1990

Philips Semiconductors

Product speciﬁcation

8-bit synchronous BCD down counter

74HC/HCT40102

2. For HC the condition is VI = GND to VCC

For HCT the condition is VI = GND to VCC − 1.5 V

ORDERING INFORMATION

See

“74HC/HCT/HCU/HCMOS Logic Package Information”.

PIN DESCRIPTION

PIN NO.

SYMBOL

NAME AND FUNCTION

clock input (LOW-to-HIGH, edge-triggered)

asynchronous master reset input (active LOW)

terminal enable input

4, 5, 6, 7, 10, 11, 12, 13

P0 to P7

jam inputs

GND

ground (0 V)

asynchronous preset enable input (active LOW)

terminal count output (active LOW)

synchronous preset enable input (active LOW)

VCC

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

74HCT401 Datasheet(PDF) 3 Page - NXP Semiconductors