參數(shù)資料
型號: SN74AHCT125QDRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: AHCT/VHCT/VT SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO14
封裝: ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14
文件頁數(shù): 5/11頁
文件大?。?/td> 286K
代理商: SN74AHCT125QDRQ1
SN74AHCT125-Q1
QUADRUPLE BUS BUFFER GATE
WITH 3-STATE OUTPUTS
SCLS508A JUNE 2003 REVISED FEBRUARY 2008
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
VI
Input voltage
0
5.5
V
VO
Output voltage
0
VCC
V
IOH
High-level output current
8
mA
IOL
Low-level output current
8
mA
Δt/Δv
Input transition rise or fall rate
20
ns/V
TA
Operating free-air temperature
40
125
°C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
TA = 25°C
MIN
MAX
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
UNIT
V
IOH = 50 mA
45V
4.4
4.5
4.4
V
VOH
IOH = 8 mA
4.5 V
3.94
3.8
V
IOL = 50 mA
45V
0.1
V
VOL
IOL = 8 mA
4.5 V
0.36
0.44
V
II
VI = 5.5 V or GND
0 V to 5.5 V
±0.1
±1
mA
IOZ
VO = VCC or GND
5.5 V
±0.25
±2.5
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
2
20
mA
ΔICC
One input at 3.4 V,
Other inputs at VCC or GND
5.5 V
1.35
1.5
mA
Ci
VI = VCC or GND
5 V
4
10
pF
Co
VO = VCC or GND
5 V
15
pF
This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.
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