參數(shù)資料
型號(hào)： HCT251
廠商： NXP Semiconductors N.V.
英文描述： Zener Diode; Zener Voltage Typ, Vz:2.4V; Vz Test Current, Izt:20mA; Power Dissipation, Pd:500mW; Package/Case:DO-35; Breakdown Voltage Max:1.1V; Mounting Type:Through Hole; Terminal Type:Axial Leaded
中文描述： 8輸入多路復(fù)用器，三態(tài)
文件頁(yè)數(shù)： 7/7頁(yè)
文件大?。?/td> 53K
代理商： HCT251
December 1990
7
Philips Semiconductors
Product specification
8-input multiplexer; 3-state
74HC/HCT251
AC WAVEFORMS
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
.
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
.
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
.
HCT: V
M
= 1.3V; V
I
= GND to 3 V.
Fig.8 Waveforms showing the 3-state enable and disable times.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3V; V
I
= GND to 3 V.
相關(guān)PDF資料
PDF描述
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