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參數(shù)資料
| 型號： | SN54AHC258WR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復用、解復用 |
| 英文描述： | AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, CDFP16 |
| 封裝： | CERAMIC, FP-16 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 140K |
| 代理商： | SN54AHC258WR |
SN54AHC258, SN74AHC258
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCLS350C – MAY 1996 – REVISED JULY 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Range 2-V to 5.5-V VCC
D EPIC (Enhanced-Performance Implanted
CMOS) Process
D Package Options Include Plastic
Small-Outline (D), Shrink Small-Outline
(DB), Thin Very Small-Outline (DGV), Thin
Shrink Small-Outline (PW), and Ceramic
Flat (W) Packages, Ceramic Chip Carriers
(FK), and Standard Plastic (N) and Ceramic
(J) DIPs
description
These
quadruple
2-line
to
1-line
data
selectors/multiplexers are designed for 2-V to
5.5-V VCC operation.
The ’AHC258 devices are designed to multiplex
signals from 4-bit data sources to 4-output data
lines in bus-organized systems. The 3-state
outputs do not load the data lines when the
output-enable (OE) input is at a high logic level.
To ensure the high-impedance state during power
up or power down, OE should be tied to VCC
through a pullup resistor; the minimum value of
the resistor is determined by the current-sinking
capability of the driver.
The SN54AHC258 is characterized for operation
over the full military temperature range of –55
°C
to 125
°C. The SN74AHC258 is characterized for
operation from –40
°C to 85°C.
FUNCTION TABLE
INPUTS
OUTPUT
OE
A/B
A
B
Y
H
X
Z
L
LL
X
H
L
LH
X
L
HX
L
H
L
H
X
H
L
PRODUCT
PREVIEW
Copyright
1998, Texas Instruments Incorporated
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC is a trademark of Texas Instruments Incorporated.
SN54AHC258 ...J OR W PACKAGE
SN74AHC258 . . . D, DB, DGV, N, OR PW PACKAGE
(TOP VIEW)
SN54AHC258 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
VCC
OE
4A
4B
4Y
3A
3B
3Y
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
1B
1Y
NC
2A
2B
1A
A/B
NC
3Y
3B
V
OE
2Y
GND
NC
CC
NC – No internal connection
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