74HC258 Просмотр технического описания (PDF) - Philips Electronics

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74HC258

Quad 2-input multiplexer; 3-state; inverting

Philips Electronics 

Philips Semiconductors

Quad 2-input multiplexer; 3-state; inverting

AC WAVEFORMS

Product specification

74HC/HCT258

handbook, full pagewidth

S, nl0, nl1 INPUT

nY OUTPUT

MBL097

VM(1)

tPHL

VM(1)

tTHL

tPLH

tTLH

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

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

Fig.6 Waveforms showing input (nI0, nI1 and S) to output (nY) propagation delays and output transition times.

handbook, full pagewidth

OE INPUT

OUTPUT

LOW-to-OFF

OFF-to-LOW

OUTPUT

HIGH-to-OFF

OFF-to-HIGH

MBL098

tr

tf

VM(1)

tPLZ

tPZL

tPHZ

10%

90%

VM(1)

tPZH

VM(1)

outputs

enabled

outputs

disabled

outputs

enabled

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

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

Fig.7 Waveforms showing the 3-state enable and disable times.

1999 Sep 02

7

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