參數(shù)資料
型號: SN74ABT8652DW
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: PLASTIC, SOIC-28
文件頁數(shù): 14/30頁
文件大?。?/td> 506K
代理商: SN74ABT8652DW
SN54ABT8652, SN74ABT8652
SCAN TEST DEVICES
WITH OCTAL BUS TRANSCEIVERS AND REGISTERS
SCBS122F – AUGUST 1992 – REVISED DECEMBER 1996
21
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)
SN54ABT8652
SN74ABT8652
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↑
5.1
4.5
ns
th
Hold time
A after CLKAB
↑ or B after CLKBA↑
0.5
0
ns
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (test mode) (see Figure 14)
SN54ABT8652
SN74ABT8652
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, OEAB, OEBA, or S before TCK
5.1
5
tsu
Setup time
TDI before TCK
6
ns
TMS before TCK
6
A, B, CLK, OEAB, OEBA, or S after TCK
0.6
0
th
Hold time
TDI after TCK
0.9
0
ns
TMS after TCK
0.9
0
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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