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參數(shù)資料
| 型號： | SN54ACT14W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HEX SCHMITT-TRIGGER INVERTER |
| 中文描述： | 六角施密特觸發(fā)器逆變器 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 68K |
| 代理商： | SN54ACT14W |
SN54ACT14, SN74ACT14
HEX SCHMITT-TRIGGER INVERTER
SCAS557E – DECEMBER 1995 – REVISED JANUARY 2000
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
SN54ACT14
MIN
1.2
SN74ACT14
MIN
1.2
UNIT
MIN
1.2
MAX
1.9
MAX
1.9
MAX
1.9
VT+
4.5 V
1.5
V
Positive-going threshold
5.5 V
1.4
1.7
2.1
1.4
2.1
1.4
2.1
VT–
4.5 V
0.5
0.9
1.2
0.5
1.2
0.5
1.2
V
Negative-going threshold
5.5 V
0.6
1
1.4
0.6
1.4
0.6
1.4
VT
4.5 V
0.4
0.6
1.4
0.4
1.4
0.4
1.4
V
Hysteresis (VT+ – VT–)
5.5 V
0.4
0.6
1.5
0.4
1.5
0.4
1.5
IOH= 50
μ
IOH = –50
A
4.5 V
4.4
4.49
4.4
4.4
5.5 V
5.4
5.49
5.4
5.4
VOH
IOH= 24 mA
IOH = –24 mA
4.5 V
3.86
3.7
3.76
V
5.5 V
4.86
4.7
4.76
IOH = –50 mA
IOH = –75 mA
5.5 V
3.85
5.5 V
3.85
IOL= 50
μ
IOL = 50
A
4.5 V
0.001
0.1
0.1
0.1
5.5 V
0.001
0.1
0.1
0.1
VOL
IOL= 24 mA
IOL = 24 mA
4.5 V
0.36
0.5
0.44
V
5.5 V
0.36
0.5
0.44
IOL = 50 mA
IOL = 75 mA
VI = VCC or GND
VI = VCC or GND,
One input at 3.4 V,
Other inputs at GND or VCC
VI = VCC or GND
5.5 V
1.65
5.5 V
1.65
±
1
20
II
ICC
5.5 V
±
0.1
±
1
40
μ
A
μ
A
IO = 0
5.5 V
2
ICC
5.5 V
0.6
1.6
1.5
mA
Ci
5 V
4.5
pF
Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms.
This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.
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
TA = 25
°
C
MIN
1.5
1.5
SN54ACT14
MIN
1
1
SN74ACT14
MIN
1
1
UNIT
(OUTPUT)
MAX
11.5
10
MAX
MAX
12.5
tPLH
tPHL
A
Y
14
13
ns
11
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 1 MHz
20
pF
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