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54ACT16825DW

54ACT16825DW首页预览图
型号: 54ACT16825DW
PDF文件:
  • 54ACT16825DW PDF文件
  • 54ACT16825DW PDF在线浏览
功能描述: 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
PDF文件大小: 106.33 Kbytes
PDF页数: 共6页
制造商: TI[Texas Instruments]
制造商LOGO: TI[Texas Instruments] LOGO
制造商网址: http://www.ti.com
捡单宝54ACT16825DW
PDF页面索引
120%
54ACT16825, 74ACT16825
18-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCAS155B – JANUARY 1991 – REVISED APRIL 1996
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Members of the Texas Instruments
Widebus
Family
Inputs Are TTL-Voltage Compatible
Provide Extra Data Width Necessary for
Wider Address/Data Paths or Buses W ith
Parity
Flow-Through Architecture Optimizes
PCB Layout
Distributed V
CC
and GND Pin Configuration
Minimizes High-Speed Switching Noise
EPIC
(Enhanced-Performance Implanted
CMOS) 1-µm Process
Package Options Include Plastic 300-mil
Shrink Small-Outline (DL) Packages Using
25-mil Center-to-Center Pin Spacings and
380-mil Fine-Pitch Ceramic Flat (WD)
Packages Using 25-mil Center-to-Center
Spacings
description
The ’ACT16825 18-bit buffers/drivers are
designed specifically to improve both the
performance and density of 3-state memory
address drivers, clock drivers, and bus-oriented
receivers and transmitters.
The ’ACT16825 can be used as two 9-bit buffers
or one 18-bit buffer. They provide true data from
A to Y.
The 3-state control gate is a 2-input NOR gate;
therefore, if either output-enable (OE1 or OE2)
input is high, all nine affected outputs are in the
high-impedance state.
The 74ACT16825 is packaged in TI’s shrink small-outline package, which provides twice the I/O pin count and
functionality of standard small-outline packages in the same printed-circuit-board area.
The 54ACT16825 is characterized for operation over the full military temperature range of –55°C to 125°C. The
74ACT16825 is characterized for operation from –40°C to 85°C.
FUNCTION TABLE
(each 9-bit section)
INPUTS
OUTPUT
OE1
OE2 A
Y
L L L L
L LH H
H XX Z
X H X Z
Copyright 1996, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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.
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 and Widebus are trademarks of Texas Instruments Incorporated.
54ACT16825 . . . DW PACKAGE
74ACT16825 . . . DL PACKAGE
(TOP VIEW)
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1OE1
1Y1
1Y2
GND
1Y3
1Y4
V
CC
1Y5
1Y6
1Y7
GND
1Y8
1Y9
GND
GND
2Y1
2Y2
GND
2Y3
2Y4
2Y5
V
CC
2Y6
2Y7
GND
2Y8
2Y9
2OE1
1OE2
1A1
1A2
GND
1A3
1A4
V
CC
1A5
1A6
1A7
GND
1A8
1A9
GND
GND
2A1
2A2
GND
2A3
2A4
2A5
V
CC
2A6
2A7
GND
2A8
2A9
2OE2
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