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| 型號(hào)： | SNJ54AHCT02FK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 門(mén)電路 |
| 英文描述： | AHCT/VHCT/VT SERIES, QUAD 2-INPUT NOR GATE, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁(yè)數(shù)： | 18/24頁(yè) |
| 文件大小： | 1032K |
| 代理商： | SNJ54AHCT02FK |
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SN54AHCT02, SN74AHCT02
QUADRUPLE 2-INPUT POSITIVE-NOR GATES
SCLS262L DECEMBER 1995 REVISED JULY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54AHCT02
SN74AHCT02
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
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
0
5.5
V
VO
Output voltage
0
VCC
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
55
125
40
85
°C
NOTE 4: 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
SN54AHCT02
SN74AHCT02
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
ICC
VI = VCC or GND,
IO = 0
5.5 V
2
20
mA
ΔICC
One input at 3.4 V,
Other inputs at GND or VCC
5.5 V
1.35
1.5
mA
Ci
VI = VCC or GND
5 V
4
10
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
SN54AHCT02
SN74AHCT02
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
Y
C =15pF
2.4**
5.5**
1**
6.5**
1
6.5
ns
tPHL
A or B
Y
CL = 15 pF
3.5**
5.5**
1**
6.5**
1
6.5
ns
tPLH
AorB
Y
C
50 pF
3.4
7.5
1
8.5
1
8.5
ns
tPHL
A or B
Y
CL = 50 pF
4.5
7.5
1
8.5
1
8.5
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
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