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參數(shù)資料
| 型號： | SN54AHC14W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HEX SCHMITT-TRIGGER INVERTERS |
| 中文描述： | 六角施密特觸發(fā)器逆變器 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大小： | 637K |
| 代理商： | SN54AHC14W |
SN54AHC14, SN74AHC14
HEX SCHMITT-TRIGGER INVERTERS
SCLS238I
–
OCTOBER 1995
–
REVISED JULY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
SN54AHC14
MIN
1.2
SN74AHC14
MIN
1.2
UNIT
MIN
1.2
MAX
2.2
MAX
2.2
MAX
2.2
VT+
3 V
Positive-going
input threshold voltage
4.5 V
1.75
3.15
1.75
3.15
1.75
3.15
V
5.5 V
2.15
3.85
2.15
3.85
2.15
3.85
VT
–
3 V
0.9
1.9
0.9
1.9
0.9
1.9
Negative-going
input threshold voltage
4.5 V
1.35
2.75
1.35
2.75
1.35
2.75
V
5.5 V
1.65
3.35
1.65
3.35
1.65
3.35
VT
3 V
0.3
1.2
0.3
1.2
0.3
1.2
Hysteresis (VT+
–
VT)
–
)
4.5 V
0.4
1.4
0.4
1.4
0.4
1.4
V
5.5 V
0.5
1.6
0.5
1.6
0.5
1.6
2 V
1.9
2
1.9
1.9
IOH =
–
50 A
3 V
2.9
3
2.9
2.9
VOH
4.5 V
4.4
4.5
4.4
4.4
V
IOH =
–
4 mA
IOH =
–
8 mA
3 V
2.58
2.48
2.48
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 A
3 V
0.1
0.1
0.1
VOL
4.5 V
0.1
0.1
0.1
V
IOL = 4 mA
IOL = 8 mA
VI = 5.5 V or GND
VI = VCC or GND,
VI = VCC or GND
3 V
0.36
0.5
0.44
4.5 V
0.36
±
0.1
0.5
±
1*
20
0.44
±
1
20
II
ICC
Ci
0 V to 5.5 V
A
IO = 0
5.5 V
2
A
5 V
2
10
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
8.3**
SN54AHC14
MIN
1**
SN74AHC14
MIN
1
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
12.8**
MAX
15**
MAX
tPLH
tPHL
tPLH
tPHL
A
Y
CL= 15 pF
CL = 15 pF
15
ns
8.3**
12.8**
1**
15**
1
15
A
Y
CL= 50 pF
CL = 50 pF
10.8
16.3
1
18.5
1
18.5
ns
10.8
16.3
1
18.5
1
18.5
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
5.5**
SN54AHC14
SN74AHC14
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
8.6**
MIN
1**
MAX
10**
MIN
MAX
tPLH
tPHL
tPLH
tPHL
A
Y
CL= 15 pF
CL = 15 pF
1
10
ns
5.5**
8.6**
1**
10**
1
10
A
Y
CL= 50 pF
CL = 50 pF
7
10.6
1
12
1
12
ns
7
10.6
1
12
1
12
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
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