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參數(shù)資料
| 型號(hào)： | 933334290652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | 4000/14000/40000 SERIES, 8 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16 |
| 封裝： | PLASTIC, SOT-38-1, DIP-16 |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 66K |
| 代理商： | 933334290652 |
January 1995
2
Philips Semiconductors
Product specication
8-input multiplexer with 3-state output
HEF4512B
MSI
DESCRIPTION
The HEF4512B is an 8-input multiplexer with 8 binary
inputs (I0 to I7), an enable input (E) and an output enable
input (EO). One of eight binary inputs is selected by select
inputs S0, S1 and S2, and is routed to the output O. A HIGH
on EO causes O to assume a high impedance OFF-state,
regardless of other input conditions. This allows the output
to interface directly with bus oriented systems (3-state).
When the active LOW enable (E) is HIGH, it forces the
output LOW provided EO is LOW. By proper manipulation
of the inputs, the device can provide any logic functions of
four variables. It cannot be used to multiplex analogue
signals.
Fig.1 Functional diagram.
HEF4512BP(N):
16-lead DIL; plastic
(SOT38-1)
HEF4512BD(F):
16-lead DIL; ceramic (cerdip)
(SOT74)
HEF4512BT(D):
16-lead SO; plastic
(SOT109-1)
( ): Package Designator North America
Fig.2 Pinning diagram.
PINNING
FAMILY DATA, IDD LIMITS category MSI
See Family Specications
S0,S1, S2
select inputs
EO
output enable (active LOW)
E
enable (active LOW)
I0 to I7
multiplexer inputs
O
multiplexer output
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