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参数资料
| 型号： | SN54F38FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 门电路 |
| 英文描述： | F/FAST SERIES, QUAD 2-INPUT NAND GATE, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 2/5页 |
| 文件大小： | 69K |
| 代理商： | SN54F38FKR |
SN54F38, SN74F38
QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS
WITH OPEN-COLLECTOR OUTPUTS
SDFS013A – MARCH 1987 – REVISED OCTOBER 1993
2–2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
– 0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (see Note 1)
– 0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input current range
– 30 mA to 5 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high state
– 0.5 V to VCC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current into any output in the low state
128 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range: SN54F38
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74F38
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed.
recommended operating conditions
SN54F38
SN74F38
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IIK
Input clamp current
–18
mA
VOH
High-level output voltage
4.5
V
IOL
Low-level output current
48
64
mA
TA
Operating free-air temperature
–55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54F38
SN74F38
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 0.73
– 1.2
V
VOL
VCC = 4.5 V,
IOL = 48 mA
0.3
0.5
0.3
0.5
V
VOL
VCC = 4.5 V,
IOL = 64 mA
0.3
0.5
0.3
0.5
V
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.5 V
– 0.6
mA
IOH
VCC = 4.5 V
250
A
ICCH
VCC = 5.5 V,
VI = 0
4
7
4
7
mA
ICCL
VCC = 5.5 V,
VI = 4.5 V
22
30
22
30
mA
All typical values are at VCC = 5 V, TA = 25°C.
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