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參數(shù)資料
| 型號： | 74ALS38A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad 2-Input NAND buffer(open collector)(四通道2輸入與非門緩沖器（集電極開路）) |
| 中文描述： | 四2輸入與非緩沖器（集電極開路）（四通道2輸入與非門緩沖器（集電極開路）） |
| 文件頁數(shù)： | 3/7頁 |
| 文件大小： | 85K |
| 代理商： | 74ALS38A |
Philips Semiconductors
Product specification
74ALS38A
Quad 2-input NAND buffer (open collector)
1991 Feb 08
3
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
Supply voltage
–0.5 to +7.0
V
V
IN
Input voltage
–0.5 to +7.0
V
I
IN
Input current
–30 to +5
mA
V
OUT
Voltage applied to output in High output state
–0.5 to V
CC
V
I
OUT
Current applied to output in Low output state
48
mA
T
amb
Operating free-air temperature range
0 to +70
°
C
T
stg
Storage temperature range
–65 to +150
°
C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
V
CC
Supply voltage
4.5
5.0
5.5
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level input voltage
0.8
V
I
Ik
Input clamp current
–18
mA
V
OH
High-level output voltage
5.5
V
I
OL
Low-level output current
24
mA
T
amb
Operating free-air temperature range
0
+70
°
C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS
1
LIMITS
UNIT
MIN
TYP
2
MAX
I
OH
High-level output current
V
CC
= MIN, V
IL
= MAX, V
IH
= MIN, V
OH
= MAX
100
μ
A
V
OL
Low level output voltage
Low-level output voltage
V
= MIN, V
= MAX,
CC
V
IH
= MIN
I
OL
= 12mA
0.25
0.40
V
IL
I
OL
= 24mA
0.35
0.50
V
V
IK
Input clamp voltage
V
CC
= MIN, I
I
= I
IK
–0.73
–1.5
V
I
I
Input current at maximum input voltage
V
CC
= MAX, V
I
= 7.0V
0.1
mA
I
IH
High-level input current
V
CC
= MAX, V
I
= 2.7V
20
μ
A
I
IL
Low-level input current
V
CC
= MAX, V
I
= 0.5V
–0.1
mA
I
CC
Supply current (total)
I
CCH
V
CC
= MAX
V
I
= GND
0.65
1.6
mA
I
CCL
V
I
= 4.5V
6.5
9.0
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25
°
C.
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