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| 型號(hào)： | SN74ABT8646DWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, 8-BIT BOUNDARY SCAN REG TRANSCEIVER, TRUE OUTPUT, PDSO28 |
| 封裝： | GREEN, PLASTIC, SOIC-28 |
| 文件頁(yè)數(shù)： | 16/32頁(yè) |
| 文件大?。?/td> | 529K |
| 代理商： | SN74ABT8646DWR |
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SN54ABT8646, SN74ABT8646
SCAN TEST DEVICES WITH
OCTAL BUS TRANSCEIVERS AND REGISTERS
SCBS123F AUGUST 1992 REVISED APRIL 2004
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (normal mode) (see Figure 14)
SN54ABT8646
SN74ABT8646
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
CLKAB or CLKBA
0
100
0
100
MHz
tw
Pulse duration
CLKAB or CLKBA high or low
3
ns
tsu
Setup time
A before CLKAB
↑ or B before CLKBA↑
4.7
4.5
ns
th
Hold time
A after CLKAB
↑ or B after CLKBA↑
0
ns
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (test mode) (see Figure 14)
SN54ABT8646
SN74ABT8646
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
TCK
0
50
0
50
MHz
tw
Pulse duration
TCK high or low
5
ns
A, B, CLK, DIR, OE, or S before TCK
↑
7
5
tsu
Setup time
TDI before TCK
↑
6
ns
tsu
Setup time
TMS before TCK
↑
6
ns
A, B, CLK, DIR, OE, or S after TCK
↑
0
th
Hold time
TDI after TCK
↑
0
ns
th
Hold time
TMS after TCK
↑
0
ns
td
Delay time
Power up to TCK
↑
50*
50
ns
tr
Rise time
VCC power up
1*
1
s
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74ABT8646DWRE4 | 功能描述:特定功能邏輯 Device w/Octal 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 |
| SN74ABT8646DWRG4 | 功能描述:特定功能邏輯 Scan Test Devices 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 |
| SN74ABT8652DL | 功能描述:特定功能邏輯 Device w/Octal 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 |
| SN74ABT8652DLG4 | 功能描述:特定功能邏輯 Device w/Octal 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 |
| SN74ABT8652DLR | 功能描述:特定功能邏輯 Device w/Octal 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 |
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