參數(shù)資料
型號： SN74AHCT125DBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： AHCT/VHCT/VT SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO14
封裝： GREEN, PLASTIC, SSOP-14
文件頁數(shù)： 19/24頁
文件大小： 1036K
代理商： SN74AHCT125DBR
SN54AHCT125, SN74AHCT125
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCLS264O DECEMBER 1995 REVISED JULY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
TA = 25°C
SN54AHCT125
SN74AHCT125
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
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*
±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
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC.
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHCT125
SN74AHCT125
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
Y
C
15 pF
3.8**
5.5**
1**
6.5**
1
6.5
ns
tPHL
A
Y
CL = 15 pF
3.8**
5.5**
1**
6.5**
1
6.5
ns
tPZH
OE
Y
C
15 pF
3.6**
5.1**
1**
6**
1
6
ns
tPZL
OE
Y
CL = 15 pF
3.6**
5.1**
1**
6**
1
6
ns
tPHZ
OE
Y
C =15pF
4.6**
6.8**
1**
8**
1
8
ns
tPLZ
OE
Y
CL = 15 pF
4.6**
6.8**
1**
8**
1
8
ns
tPLH
A
Y
C
50 pF
5.3
7.5
1
8.5
1
8.5
ns
tPHL
A
Y
CL = 50 pF
5.3
7.5
1
8.5
1
8.5
ns
tPZH
OE
Y
C
50 pF
5.1
7.1
1
8
1
8
ns
tPZL
OE
Y
CL = 50 pF
5.1
7.1
1
8
1
8
ns
tPHZ
OE
Y
C =50pF
6.1
8.8
1
10
1
10
ns
tPLZ
OE
Y
CL = 50 pF
6.1
8.8
1
10
1
10
ns
tsk(o)
CL = 50 pF
1***
1
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
*** On products compliant to MIL-PRF-38535, this parameter does not apply.
noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 5)
PARAMETER
SN74AHCT125
UNIT
PARAMETER
MIN
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.8
V
VOL(V)
Quiet output, minimum dynamic VOL
0.8
V
VOH(V)
Quiet output, minimum dynamic VOH
4.4
V
VIH(D)
High-level dynamic input voltage
2
V
VIL(D)
Low-level dynamic input voltage
0.8
V
NOTE 5: Characteristics are for surface-mount packages only.
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