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SN74ACT8990FN Datasheet(PDF) 2 Page - Texas Instruments

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Part # SN74ACT8990FN
Description  TEST-BUS CONTROLLERS IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 16-BIT GENERIC HOST INTERFACES
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74ACT8990FN Datasheet(HTML) 2 Page - Texas Instruments

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SN54ACT8990, SN74ACT8990
TEST-BUS CONTROLLERS
IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 16-BIT GENERIC HOST INTERFACES
SCAS190E – JUNE 1990 – REVISED JANUARY 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
The SN54ACT8990 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74ACT8990 is characterized for operation from 0
°C to 70°C.
28 29
NC
TMS5/EVENT3
TMS4/EVENT2
NC
TMS3/EVENT1
TMS2/EVENT0
NC
VCC
GND
TMS1
NC
TMS0
TDO
NC
TCKO
TCKI
NC
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
30
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
NC
DATA0
DATA1
NC
DATA2
DATA3
NC
DATA4
GND
VCC
NC
DATA5
DATA6
NC
DATA7
DATA8
NC
31 32 33 34
8
7654
93
1 68 67
2
35 36 37 38 39
66 65
27
64 63 62 61
40 41 42 43
SN54ACT8990 . . . HV PACKAGE
(TOP VIEW)
NC – No internal connection


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