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參數(shù)資料
| 型號(hào)： | SN74ABT18640DLR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, DUAL 9-BIT BOUNDARY SCAN TRANSCEIVER, INVERTED OUTPUT, PDSO56 |
| 封裝： | GREEN, PLASTIC, SSOP-56 |
| 文件頁(yè)數(shù)： | 2/32頁(yè) |
| 文件大小： | 638K |
| 代理商： | SN74ABT18640DLR |
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SN54ABT18640, SN74ABT18640
SCAN TEST DEVICES
WITH 18-BIT INVERTING BUS TRANSCEIVERS
SCBS267C – FEBRUARY 1994 – REVISED JULY 1996
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
device-identification register
The device-identification register (IDR) is 32 bits long. It can be selected and read to identify the manufacturer,
part number, and version of this device.
During Capture-DR, the binary value 00000000000000001110000000101111 (0000E02F, hex) is captured in
the IDR to identify this device as Texas Instruments SN54/74ABT18640. The IDR order of scan is from TDI
through bits 31–0 to TDO. Table 2 shows the IDR bits and their significance.
Table 2. Device-Identification Register Configuration
IDR BIT
NUMBER
IDENTIFICATION
SIGNIFICANCE
IDR BIT
NUMBER
IDENTIFICATION
SIGNIFICANCE
IDR BIT
NUMBER
IDENTIFICATION
SIGNIFICANCE
31
VERSION3
27
PARTNUMBER15
11
MANUFACTURER10
30
VERSION2
26
PARTNUMBER14
10
MANUFACTURER09
29
VERSION1
25
PARTNUMBER13
9
MANUFACTURER08
28
VERSION0
24
PARTNUMBER12
8
MANUFACTURER07
––
23
PARTNUMBER11
7
MANUFACTURER06
––
22
PARTNUMBER10
6
MANUFACTURER05
––
21
PARTNUMBER09
5
MANUFACTURER04
––
20
PARTNUMBER08
4
MANUFACTURER03
––
19
PARTNUMBER07
3
MANUFACTURER02
––
18
PARTNUMBER06
2
MANUFACTURER01
––
17
PARTNUMBER05
1
MANUFACTURER00
––
16
PARTNUMBER04
0
LOGIC1
––
15
PARTNUMBER03
––
14
PARTNUMBER02
––
13
PARTNUMBER01
––
12
PARTNUMBER00
––
Note that for TI products, bits 11–0 of the device-identification register always contain the binary value 000000101111
(02F, hex).
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相關(guān)代理商/技術(shù)參數(shù) |
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| SN74ABT18640DLRG4 | 功能描述:特定功能邏輯 Device w/18-Bit Inv Bus Transceiver RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74ABT18646 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:WITH 18-BIT TRANSCEIVER AND REGISTER |
| SN74ABT18646PM | 功能描述:特定功能邏輯 Device w/18-Bit Bus Trnscvr & Register RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74ABT18646PMG4 | 功能描述:特定功能邏輯 Device w/18-Bit Bus Trnscvr & Register RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74ABT18652 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SCAN TEST DEVICES WITH 18-BIT BUS TRANSCEIVERS AND REGISTERS |
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