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ꢋ ꢌꢋ ꢍꢅ ꢎꢏꢆ ꢀꢐꢎ ꢁ ꢆ ꢑꢀꢆ ꢒ ꢑꢅ ꢓ ꢐ
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SCBS163F − AUGUST 1993 − REVISED JULY 1996
D
D
D
Member of the Texas Instruments SCOPE
D
Compatible With the IEEE Standard
1149.1-1990 (JTAG) Test Access Port
and Boundary-Scan Architecture
Family of Testability Products
Member of the Texas Instruments
Widebus Family
State-of-the-Art 3.3-V ABT Design Supports
Mixed-Mode Signal Operation (5-V Input
D
SCOPE Instruction Set
− IEEE Standard 1149.1-1990 Required
Instructions and Optional CLAMP and
HIGHZ
and Output Voltages With 3.3-V V
)
CC
− Parallel-Signature Analysis at Inputs
− Pseudo-Random Pattern Generation
From Outputs
− Sample Inputs/Toggle Outputs
− Binary Count From Outputs
− Device Identification
D
D
Supports Unregulated Battery Operation
Down to 2.7 V
UBT (Universal Bus Transceiver)
Combines D-Type Latches and D-Type
Flip-Flops for Operation in Transparent,
Latched, or Clocked Mode
− Even-Parity Opcodes
D
Bus-Hold Data Inputs Eliminate the Need
for External Pullup Resistors
D
Packaged in 64-Pin Plastic Thin Quad Flat
Packages Using 0.5-mm Center-to-Center
Spacings
PM PACKAGE
(TOP VIEW)
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
A4
A5
A6
GND
A7
A8
B5
B6
B7
GND
B8
1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
2
3
4
5
6
B9
B10
A9
A10
7
8
V
CC
9
V
B11
B12
B13
B14
GND
B15
B16
B17
CC
10
11
12
13
14
15
16
A11
A12
A13
GND
A14
A15
A16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
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, and UBT are trademarks of Texas Instruments Incorporated.
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Copyright 1996, Texas Instruments Incorporated
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ꢢ ꢦ ꢣ ꢢꢛ ꢜꢯ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢌ
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1
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