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SN74ACT16245-EP Datasheet Preview

SN74ACT16245-EP Datasheet

16-BIT BUS TRANSCEIVER

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SN74ACT16245Q-EP
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS677A – MAY 2002 – REVISED JULY 2002
D Controlled Baseline
– One Assembly/Test Site, One Fabrication
Site
D Extended Temperature Performance of
–40°C to 125°C
D Enhanced Diminishing Manufacturing
Sources (DMS) Support
D Enhanced Product Change Notification
D Qualification Pedigree
D Member of the Texas Instruments
WidebusFamily
D Inputs Are TTL-Voltage Compatible
D 3-State Outputs Drive Bus Lines Directly
D Flow-Through Architecture Optimizes PCB
Layout
D Distributed VCC and GND Pins Minimize
High-Speed Switching Noise
Component qualification in accordance with JEDEC and industry
standards to ensure reliable operation over an extended
temperature range. This includes, but is not limited to, highly
accelerated stress test (HAST) or biased 85/85, temperature
cycle, autoclave or unbiased HAST, electromigration, bond
intermetallic life, and mold compound life.
description
The SN74ACT16245Q-EP is a 16-bit bus
transceiver organized as dual-octal noninverting
3-state transceivers and designed for
asynchronous two-way communication between
data buses. The control-function implementation
minimizes external timing requirements.
DL PACKAGE
(TOP VIEW)
1DIR 1
1B1 2
1B2 3
GND 4
1B3 5
1B4 6
VCC 7
1B5 8
1B6 9
GND 10
1B7 11
1B8 12
2B1 13
2B2 14
GND 15
2B3 16
2B4 17
VCC 18
2B5 19
2B6 20
GND 21
2B7 22
2B8 23
2DIR 24
48 1G
47 1A1
46 1A2
45 GND
44 1A3
43 1A4
42 VCC
41 1A5
40 1A6
39 GND
38 1A7
37 1A8
36 2A1
35 2A2
34 GND
33 2A3
32 2A4
31 VCC
30 2A5
29 2A6
28 GND
27 2A7
26 2A8
25 2G
The device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on
the logic level at the direction-control (DIR) input. The enable (G) input can be used to disable the devices so
that the buses are effectively isolated.
ORDERING INFORMATION
TA
PACKAGE‡
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
–40°C to 125°C SSOP – DL
Tape and reel
SN74ACT16245QDLREP ACT16245QEP
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
Widebus is a trademark of Texas Instruments.
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.
Copyright 2002, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1




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SN74ACT16245-EP Datasheet Preview

SN74ACT16245-EP Datasheet

16-BIT BUS TRANSCEIVER

No Preview Available !

SN74ACT16245Q-EP
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS677A MAY 2002 REVISED JULY 2002
logic diagram (positive logic)
1
1DIR
47
1A1
FUNCTION TABLE
(each section)
CONTROL
INPUTS
G DIR
OPERATION
L
L
B data to A bus
L
H A data to B bus
H
X
Isolation
48
1G
2
1B1
24
2DIR
36
2A1
25
2G
13
2B1
To Seven Other Transceivers
To Seven Other Transceivers
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to VCC + 0.5 V
Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to VCC + 0.5 V
Input clamp current, IIK (VI < 0 or VI > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±24 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±24 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±260 mA
Maximum power dissipation at TA = 55°C (in still air) (see Note 2): DL package . . . . . . . . . . . . . . . . . . . 1.2 W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Stresses beyond those listed under absolute maximum ratingsmay cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditionsis not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The maximum package power dissipation is calculated using a junction temperature of 150°C and a board trace length of 750 mils.
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SN74ACT16245-EP
Description 16-BIT BUS TRANSCEIVER
Maker etcTI
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