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SN54ABT18502_14

更新时间： 2024-11-15 02:58:43
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
29页 409K
描述
SCAN TEST DEVICE WITH 18-BIT REGISTERED BUS TRANSCEIVER

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SN54ABT18502_14 数据手册

 浏览型号SN54ABT18502_14的Datasheet PDF文件第2页浏览型号SN54ABT18502_14的Datasheet PDF文件第3页浏览型号SN54ABT18502_14的Datasheet PDF文件第4页浏览型号SN54ABT18502_14的Datasheet PDF文件第5页浏览型号SN54ABT18502_14的Datasheet PDF文件第6页浏览型号SN54ABT18502_14的Datasheet PDF文件第7页 
SN54ABT18502  
SCAN TEST DEVICE WITH  
18-BIT REGISTERED BUS TRANSCEIVER  
SCBS109C – AUGUST 1992 – REVISED AUGUST 1994  
• Member of the Texas Instruments SCOPE  
• SCOPE Instruction Set  
– IEEE Standard 1149.1-1990 Required  
Instructions, Optional INTEST, CLAMP,  
and HIGHZ  
Family of Testability Products  
• Member of the Texas Instruments  
Widebus Family  
– Parallel-Signature Analysis at Inputs With  
Masking Option  
– Pseudo-Random Pattern Generation  
From Outputs  
• 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  
– Sample Inputs/Toggle Outputs  
– Binary Count From Outputs  
– Device Identification  
– Even-Parity Opcodes  
• Two Boundary-Scan Cells per I/O for  
• Packaged in 68-Pin Ceramic Quad Flat  
Package Using 25-mil Center-to-Center  
Spacings  
Greater Flexibility  
• State-of-the-Art EPIC-ΙΙB BiCMOS Design  
Significantly Reduces Power Dissipation  
SN54ABT18502 . . . HV PACKAGE  
(TOP VIEW)  
9
8
7
6
5
4
3
2 1 68 67 66 65 64 63 62 61  
1A3  
1A4  
1A5  
GND  
1A6  
1A7  
1A8  
1A9  
NC  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
60 1B4  
59 1B5  
58 1B6  
57 GND  
56 1B7  
55 1B8  
54 1B9  
53  
V
CC  
52 NC  
51 2B1  
50 2B2  
49 2B3  
48 2B4  
47 GND  
46 2B5  
45 2B6  
44 2B7  
V
CC  
2A1  
2A2  
2A3  
GND  
2A4  
2A5  
2A6  
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43  
NC – No internal connection  
SCOPE, Widebus, UBT, and EPIC-IIB are trademarks of Texas Instruments Incorporated.  
Copyright 1994, 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.  
4–1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...29

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