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参数资料
| 型号： | 74ALS74AD |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 通用总线功能 |
| 英文描述： | Dual D-type flip-flop with set and reset |
| 中文描述： | ALS SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14 |
| 封装： | PLASTIC, SO-14 |
| 文件页数： | 3/10页 |
| 文件大小： | 50K |
| 代理商： | 74ALS74AD |
Philips Semiconductors
Product specification
74ALS74A
Dual D-type flip-flop with set and reset
1996 Jul 01
3
LOGIC DIAGRAM
V
= Pin 14
GND = Pin 7
5, 9
6, 8
Q
Q
4, 10
1, 13
3, 11
2, 12
SD
RD
CP
D
SF00048
FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING
SD
RD
CP
D
Q
Q
MODE
L
H
X
X
H
L
Asynchronous set
H
L
X
X
L
H
Asynchronous reset
L
L
X
X
H
H
Undetermined*
H
H
↑
↑
↑
h
H
L
Load “1”
H
H
l
L
H
Load “0”
H
H
X
NC
NC
Hold
H =
h
High voltage level
High state must be present one setup time prior to
Low-to-High clock transition
Low voltage level
Low state must be present one setup time prior to
Low-to-High clock transition
No change from the previous setup
Don’t care
Low-to-High clock transition
Not Low-to-High clock transition
Both outputs will be High while both SD and RD are Low,
but the output states are unpredictable if SD and RD go
High simultaneously
=
L
l
=
=
NC=
X =
↑
↑
*
=
=
=
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
16
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
I
OH
High-level output current
–0.4
mA
I
OL
Low-level output current
8
mA
T
amb
Operating free-air temperature range
0
+70
°
C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 74ALS74ADB | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual D-type flip-flop with set and reset |
| 74ALS74AN | 制造商:Texas Instruments 功能描述: 制造商: 功能描述: 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:undefined 功能描述: |
| 74ALS760 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| 74ALS8161NT | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74ALS841NT | 制造商:Texas Instruments 功能描述: |
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