參數(shù)資料
型號： SN74ABT18245ADGG
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, TRUE OUTPUT, PDSO56
封裝： PLASTIC, TSSOP-56
文件頁數(shù)： 16/31頁
文件大小： 438K
代理商： SN74ABT18245ADGG
SN54ABT18245A, SN74ABT18245A
SCAN TEST DEVICES
WITH 18-BIT BUS TRANSCEIVERS
SCBS110H – AUGUST 1992 – REVISED FEBRUARY 1999
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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T
est-Logic-Reset
Run-T
est/Idle
Select-DR-Scan
Select-IR-Scan
Capture-IR
Shift-IR
Exit1-IR
Update-IR
Select-DR-Scan
Capture-DR
Shift-DR
Exit1-DR
Update-DR
Select-DR-Scan
Select-IR-Scan
T
est-Logic-Reset
TCK
TMS
TDI
TDO
TAP
Controller
State
3-State (TDO) or Don’t Care (TDI)
Figure 13. Timing Example
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (except I/O ports) (see Note 1)
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (I/O ports) (see Note 1)
–0.5 V to 5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high state or power-off state, VO
–0.5 V to 5.5 V
. . . . . . . . . . . . . .
Current into any output in the low state, IO: SN54ABT18245A
96 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ABT18245A
128 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0)
–18 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0)
–50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC
576 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through GND
1152 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Note 2): DGG package
81
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DL package
74
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output negative-voltage ratings can be exceeded if the input and output clamp-current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51.
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SN74ABT18245ADLR 功能描述:特定功能邏輯 Scan Test Device 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
SN74ABT18245ADLRG4 功能描述:特定功能邏輯 Scan Test Device 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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