參數(shù)資料
型號： SN54ABTH182504AHV
廠商： Texas Instruments, Inc.
英文描述： SCAN TEST DEVICES WITH 20-BIT UNIVERSAL BUS TRANSCEIVERS
中文描述： 掃描測試設(shè)備與20位通用總線收發(fā)器
文件頁數(shù)： 1/35頁
文件大?。?/td> 547K
代理商： SN54ABTH182504AHV
SN54ABTH18504A, SN54ABTH182504A, SN74ABTH18504A, SN74ABTH182504A
SCAN TEST DEVICES WITH
20-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS165C – AUGUST 1993 – REVISED JULY 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Members of the Texas Instruments
SCOPE
Family of Testability Products
Members of the Texas Instruments
Widebus
Family
Compatible With the IEEE Standard
1149.1-1990 (JTAG) Test Access Port and
Boundary-Scan Architecture
UBT
(Universal Bus Transceiver)
Combines D-Type Latches and D-Type
Flip-Flops for Operation in Transparent,
Latched, or Clocked Mode
Bus Hold on Data Inputs Eliminates the
Need for External Pullup Resistors
B-Port Outputs of
’
ABTH182504A Devices
Have Equivalent 25-
Series Resistors, So
No External Resistors Are Required
State-of-the-Art EPIC-
ΙΙ
B
BiCMOS Design
One Boundary-Scan Cell Per I/O
Architecture Improves Scan Efficiency
SCOPE
Instruction Set
– IEEE Standard 1149.1-1990 Required
Instructions and Optional CLAMP and
HIGHZ
– Parallel-Signature Analysis at Inputs
– Pseudo-Random Pattern Generation
From Outputs
– Sample Inputs/Toggle Outputs
– Binary Count From Outputs
– Device Identification
– Even-Parity Opcodes
Packaged in 64-Pin Plastic Thin Quad Flat
(PM) Packages Using 0.5-mm
Center-to-Center Spacings and 68-Pin
Ceramic Quad Flat (HV) Packages Using
25-mil Center-to-Center Spacings
B5
B6
B7
GND
B8
B9
B10
V
CC
NC
B11
B12
B13
B14
GND
B15
B16
B17
A4
A5
A6
GND
A7
A8
A9
A10
NC
V
CC
A11
A12
A13
GND
A14
A15
A16
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
V
N
T
C
A
A
A
G
O
L
T
N
T
L
O
A
G
A
C
C
T
A
C
B
G
B
B
B
G
B
B
28 29 30 31 32 33 34
8 7
6
5
4
9
3
1 68 67
2
35 36 37 38 39
66 65
27
64 63 62 61
40 41 42 43
SN54ABTH18504A, SN54ABTH182504A . . . HV PACKAGE
(TOP VIEW)
C
NC – No internal connection
C
V
A
B
Copyright
1996, 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.
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.
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.
SCOPE, Widebus, UBT, and EPIC-
ΙΙ
B are trademarks of Texas Instruments Incorporated.
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