參數(shù)資料
型號： SN54LVTH182512HKC
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVT SERIES, DUAL 9-BIT BOUNDARY SCAN REG TRANSCEIVER, TRUE OUTPUT, CDFP64
封裝： 0.50 MM PITCH, CERAMIC, FP-64
文件頁數(shù)： 17/34頁
文件大小： 518K
代理商： SN54LVTH182512HKC
SN54LVTH18512, SN54LVTH182512, SN74LVTH18512, SN74LVTH182512
3.3-V ABT SCAN TEST DEVICES
WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS671B – AUGUST 1996 – REVISED OCTOBER 1997
24
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 4.6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (see Note 1)
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high or power-off state, VO (see Note 1)
–0.5 V to 7 V
. . . . . . . . .
Current into any output in the low state, IO: SN54LVTH18512
96 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN54LVTH182512 (A port or TDO)
96 mA
. . . . . . . . . . . . . . . . . .
SN54LVTH182512 (B port)
30 mA
. . . . . . . . . . . . . . . . . . . . . . . . .
SN74LVTH18512
128 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74LVTH182512 (A port or TDO)
128 mA
. . . . . . . . . . . . . . . . .
SN74LVTH182512 (B port)
30 mA
. . . . . . . . . . . . . . . . . . . . . . . . .
Current into any output in the high state, IO (see Note 2): SN54LVTH18512
48 mA
. . . . . . . . . . . . . . . . . . . . .
SN54LVTH182512 (A port or TDO)
48 mA
. . . . . .
SN54LVTH182512 (B port)
30 mA
. . . . . . . . . . . . .
SN74LVTH18512
64 mA
. . . . . . . . . . . . . . . . . . . . .
SN74LVTH182512 (A port or TDO)
64 mA
. . . . . .
SN74LVTH182512 (B port)
30 mA
. . . . . . . . . . . . .
Input clamp current, IIK (VI < 0)
–50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0)
–50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
qJA (see Note 3): DGG package
73
°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. This current only flows when the output is in the high state and VO > VCC.
3. The package thermal impedance is calculated in accordance with JESD 51.
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