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| 型号： | SN54LVTH182504A |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 3.3-V ABT Scan Test Device With 20-Bit Universal Bus Transceivers(3.3VABT扫描测试装置(20位通用总线收发器)) |
| 中文描述： | 的3.3V ABT生根粉扫描测试设备与20位通用总线收发器（3.3VABT扫描测试装置（20位通用总线收发器）） |
| 文件页数： | 2/35页 |
| 文件大小： | 812K |
| 代理商： | SN54LVTH182504A |
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SN54LVTH18504A, SN54LVTH182504A, SN74LVTH18504A, SN74LVTH182504A
3.3-V ABT SCAN TEST DEVICES
WITH 20-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS667B – JULY 1996 – REVISED JUNE 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
Four dedicated test pins are used to observe and control the operation of the test circuitry: test data input (TDI),
test data output (TDO), test mode select (TMS), and test clock (TCK). Additionally, the test circuitry performs
other testing functions, such as parallel-signature analysis (PSA) on data inputs and pseudo-random pattern
generation (PRPG) from data outputs. All testing and scan operations are synchronized to the TAP interface.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The B-port outputs of ’LVTH182504A, which are designed to source or sink up to 12 mA, include equivalent 25-
series resistors to reduce overshoot and undershoot.
The SN54LVTH18504A and SN54LVTH182504A are characterized for operation over the full military
temperature range of –55
°
C to 125
°
C. The SN74LVTH18504A and SN74LVTH182504A are characterized for
operation from –40
°
C to 85
°
C.
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
SN54LVTH18504A, SN54LVTH182504A . . . HV PACKAGE
(TOP VIEW)
C
NC – No internal connection
C
V
A
B
相关PDF资料 |
PDF描述 |
|---|---|
| SN54LVTH18504A | 3.3-V ABT Scan Test Device With 20-Bit Universal Bus Transceivers(3.3VABT扫描测试装置(20位通用总线收发器)) |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN54S00J | 制造商:Texas Instruments 功能描述:NAND Gate 4-Element 2-IN Bipolar 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54S00W | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54S02J | 制造商:Texas Instruments 功能描述: |
| SN54S03J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:2-INPUT NAND GATE (OC) - Rail/Tube |
| SN54S04J | 制造商:Texas Instruments 功能描述:Inverter 6-Element Bipolar 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:INVERTER 6-ELEM BIPOLAR 14CDIP - Rail/Tube 制造商:Texas Instruments 功能描述:HEX INVERTER *NIC* |
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