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PDF CD4512BM Data sheet ( Hoja de datos )
| Número de pieza | CD4512BM | |
| Descripción | 8-Channel Buffered Data Selector | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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February 1988
CD4512BM CD4512BC 8-Channel Buffered Data Selector
General Description
The CD4512BM CD4512BC buffered 8-channel data selec-
tor is a complementary MOS (CMOS) circuit constructed
with N- and P-channel enhancement mode transistors This
data selector is primarily used as a digital signal multiplexer
selecting 1 of 8 inputs and routing the signal to a TRI-
STATE output A high level at the Inhibit input forces a low
level at the output A high level at the Output Enable (OE)
input forces the output into the TRI-STATE condition Low
levels at both the Inhibit and (OE) inputs allow normal oper-
ation
Features
Y Wide supply voltage range
3 0V to 15V
Y High noise immunity
Y TRI-STATE output
0 45 VDD (typ )
Y Low quiescent power dissipation 0 25 mW package
(typ ) VCC e 5 0V
Y Plug-in replacement for Motorola MC14512
Connection Diagram and Truth Table
Dual-In-Line Package
Order Number CD4512B
Top View
Address Inputs
CB
00
00
01
01
10
10
11
11
jj
jj
j e Don’t care
Hi-Z e TRI-STATE condition
Xn e Data at input n
A
0
1
0
1
0
1
0
1
j
j
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 5993
TL F 5993 – 1
Control Inputs
Inhibit
OE
00
00
00
00
00
00
00
00
10
j1
Output
Z
X0
X1
X2
X3
X4
X5
X6
X7
0
Hi-Z
RRD-B30M105 Printed in U S A
1 page  
AC Test Circuit and Switching Time Waveforms
TL F 5993 – 4
Input Connections for tr tf tPLH tPHL
Test
1
2
3
Inhibit
PG
GND
GND
A
GND
PG
GND
X0
VDD
VDD
PG
TRI-STATE AC Test Circuit and Switching Time Waveforms
TL F 5993 – 5
TL F 5993 – 6
Switch Positions for TRI-STATE Test
Test S1 S2 S3 S4
tPHZ
tPLZ
tPZL
tPZH
Open
Closed
Closed
Open
Closed
Open
Open
Closed
Closed
Open
Open
Closed
Open
Closed
Closed
Open
5
TL F 5993 – 7
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet CD4512BM.PDF ] | |
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