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參數資料
| 型號： | 933372940653 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 多路復用及模擬開關 |
| 英文描述： | 8-CHANNEL, SGL ENDED MULTIPLEXER, PDSO16 |
| 封裝： | PLASTIC, SOT-109, SO-16 |
| 文件頁數： | 2/9頁 |
| 文件大小： | 118K |
| 代理商： | 933372940653 |
January 1995
2
Philips Semiconductors
Product specication
8-channel analogue multiplexer/demultiplexer
HEF4051B
MSI
DESCRIPTION
The HEF4051B is an 8-channel
analogue multiplexer/demultiplexer
with three address inputs (A0 to A2),
an active LOW enable input (E), eight
independent inputs/outputs (Y0 to Y7)
and a common input/output (Z).
The device contains eight
bidirectional analogue switches, each
with one side connected to an
independent input/output (Y0 to Y7)
and the other side connected to a
common input/output (Z).
With E LOW, one of the eight
switches is selected (low impedance
ON-state) by A0 to A2. With E HIGH,
all switches are in the high impedance
OFF-state, independent of A0 to A2.
VDD and VSS are the supply voltage
connections for the digital control
inputs (A0 to A2, and E).
The VDD to VSS range is 3 to 15 V.
The analogue inputs/outputs (Y0 to
Y7, and Z) can swing between VDD as
a positive limit and VEE as a negative
limit. VDDVEE may not exceed 15 V.
For operation as a digital
multiplexer/demultiplexer, VEE is
connected to VSS (typically ground).
Fig.1 Functional diagram.
PINNING
FAMILY DATA, IDD LIMITS category MSI
See Family Specifications.
HEF4051BP(N):
16-lead DIL; plastic
(SOT38-1)
HEF4051BD(F):
16-lead DIL; ceramic
(cerdip)
(SOT74)
HEF4051BT(D):
16-lead SO; plastic
(SOT109-1)
( ): Package Designator North America
Y0 to Y7
independent inputs/outputs
A0 to A2
address inputs
E
enable input (active LOW)
Z
common input/output
Fig.2 Pinning diagram.
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