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SN74AS230A 数据表(PDF) 1 Page - Texas Instruments

部件名 SN74AS230A
功能描述  OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

SN74AS230A 数据表(HTML) 1 Page - Texas Instruments

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SN74AS230A
OCTAL BUFFER/DRIVER
WITH 3STATE OUTPUTS
SDAS213B − DECEMBER 1982 − REVISED DECEMBER 1994
Copyright
1994, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
True and Complementary Outputs
3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
High Capacitive-Drive Capability
Current-Sinking Capability Up to 64 mA
Package Options Include Plastic
Small-Outline (DW) Packages and Standard
Plastic (N) 300-mil DIPs
description
This octal buffer/driver is designed specifically to
improve the performance of 3-state memory
address drivers, clock drivers, and bus-oriented
receivers and transmitters. When used together,
multiples of this device provide the choice of selected combinations of inverting and noninverting outputs,
symmetrical active-low output-enable (OE) inputs, and complementary OE and OE inputs.
The SN74AS230A is characterized for operation from 0
°C to 70°C.
FUNCTION TABLE
(each buffer)
INPUTS
OUTPUT
OE
A
OUTPUT
Y
L
H
L
L
LH
H
X
Z
logic symbol
2
1A1
4
1A2
6
1A3
8
1A4
EN
1
1Y1
18
1Y2
16
1Y3
14
1Y4
12
11
2A1
13
2A2
15
2A3
17
2A4
EN
19
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1OE
2OE
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
DW OR N PACKAGE
(TOP VIEW)
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.


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