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SN54AHCT00 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. SN54AHCT00
Description  QUADRUPLE 2-INPUT POSITIVE-NAND GATES
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54AHCT00, SN74AHCT00
QUADRUPLE 2-INPUT POSITIVE-NAND GATES
SCLS229K – OCTOBER 1995 – REVISED JULY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54AHCT00
SN74AHCT00
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
4.5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
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
–8
mA
IOL
Low-level output current
8
8
mA
∆t/∆v
Input transition rise or fall rate
20
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
VCC
TA = 25°C
SN54AHCT00
SN74AHCT00
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VOH
IOH = –50 mA
45 V
4.4
4.5
4.4
4.4
V
VOH
IOH = –8 mA
4.5 V
3.94
3.8
3.8
V
VOL
IOL = 50 mA
45 V
0.1
0.1
0.1
V
VOL
IOL = 8 mA
4.5 V
0.36
0.44
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
20
mA
∆ICC†
One input at 3.4 V,
Other inputs at VCC or GND
5.5 V
1.35
1.5
1.5
mA
Ci
VI = VCC or GND
5 V
2
10
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
SN54AHCT00
SN74AHCT00
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
Y
CL =15 pF
5**
6.9**
1**
8**
1
8
ns
tPHL
A or B
Y
CL = 15 pF
5**
6.9**
1**
8**
1
8
ns
tPLH
AorB
Y
CL =50 pF
5.5
7.9
1
9
1
9
ns
tPHL
A or B
Y
CL = 50 pF
5.5
7.9
1
9
1
9
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.




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