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| 型號(hào)： | SNJ54BCT8374AJT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | BCT/FBT SERIES, 8-BIT BOUNDARY SCAN DRIVER, TRUE OUTPUT, CDIP24 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-24 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大小： | 434K |
| 代理商： | SNJ54BCT8374AJT |
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SN54BCT8374A, SN74BCT8374A
SCAN TEST DEVICES
WITH OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
SCBS045E JUNE 1990 REVISED JULY 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
D Members of the Texas Instruments
SCOPE
Family of Testability Products
D Octal Test-Integrated Circuits
D Functionally Equivalent to ’F374 and
’BCT374 in the Normal-Function Mode
D Compatible With the IEEE Standard
1149.1-1990 (JTAG) Test Access Port and
Boundary-Scan Architecture
D Test Operation Synchronous to Test
Access Port (TAP)
D Implement Optional Test Reset Signal by
Recognizing a Double-High-Level Voltage
(10 V ) on TMS Pin
D SCOPE Instruction Set
IEEE Standard 1149.1-1990 Required
Instructions, Optional INTEST, CLAMP,
and HIGHZ
Parallel-Signature Analysis at Inputs
Pseudo-Random Pattern Generation
From Outputs
Sample Inputs/ Toggle Outputs
D Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic
Chip Carriers (FK), and Standard Plastic
(NT) and Ceramic (JT) 300-mil DIPs
description
The ’BCT8374A scan test devices with octal
edge-triggered D-type flip-flops are members of
the
Texas
Instruments
SCOPE
testability
integrated-circuit family. This family of devices
supports IEEE Standard 1149.1-1990 boundary
scan to facilitate testing of complex circuit-board
assemblies. Scan access to the test circuitry is
accomplished via the 4-wire test access port
(TAP) interface.
In the normal mode, these devices are functionally equivalent to the ’F374 and ’BCT374 octal D-type flip-flops.
The test circuitry can be activated by the TAP to take snapshot samples of the data appearing at the device
terminals or to perform a self test on the boundary-test cells. Activating the TAP in normal mode does not affect
the functional operation of the SCOPE
octal flip-flops.
In the test mode, the normal operation of the SCOPE
octal flip-flops is inhibited and the test circuitry is enabled
to observe and control the I/O boundary of the device. When enabled, the test circuitry can perform
boundary-scan test operations as described in IEEE Standard 1149.1-1990.
Copyright
1996, Texas Instruments Incorporated
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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13
CLK
1Q
2Q
3Q
4Q
GND
5Q
6Q
7Q
8Q
TDO
TMS
OE
1D
2D
3D
4D
5D
VCC
6D
7D
8D
TDI
TCK
SN54BCT8374A ...JT PACKAGE
SN74BCT8374A . . . DW OR NT PACKAGE
(TOP VIEW)
32 1 28 27
12 13
5
6
7
8
9
10
11
25
24
23
22
21
20
19
8D
TDI
TCK
NC
TMS
TDO
8Q
2D
1D
OE
NC
CLK
1Q
2Q
426
14 15 16 17 18
3Q
4Q
GND
NC
5Q
6Q
7Q
3D
4D
5D
NC
V
6D
7D
SN54BCT8374A...FK PACKAGE
(TOP VIEW)
NC No internal connection
CC
SCOPE is a trademark of Texas Instruments Incorporated.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, 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.
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