74HC251 Datasheet, PDF (7/7 Pages) NXP Semiconductors – 8-input multiplexer; 3-state

Philips Semiconductors
8-input multiplexer; 3-state
AC WAVEFORMS
Product specification
74HC/HCT251
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT: V_M = 1.3V; V_I = GND to 3 V.
Fig.6 Waveforms showing the multiplexer input (I_n) and select input (S_n) to output (Y) propagation delays and
the output transition times.
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT: V_M = 1.3V; V_I = GND to 3 V.
Fig.7 Waveforms showing the multiplexer input (I_n) and select input (S_n) to output (Y) propagation delays and
the output transition times.
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT: V_M = 1.3V; V_I = GND to 3 V.
Fig.8 Waveforms showing the 3-state enable and disable times.
PACKAGE OUTLINES
See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.
December 1990
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