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参数资料
| 型号： | 74ALS112 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | Dual J-K negative edge-triggered flip-flop |
| 中文描述： | 双JK负边沿触发器 |
| 文件页数： | 3/10页 |
| 文件大小： | 92K |
| 代理商： | 74ALS112 |
Philips Semiconductors
Product specification
74ALS112A
Dual J-K negative edge-triggered flip-flop
1996 Jun 27
3
LOGIC DIAGRAM
5, 9
4, 10
2, 12
1, 13
6, 7
15, 14
3, 11
Qn
SDn
Kn
Qn
RDn
Jn
CPn
SF00106
V
= Pin 16
GND = Pin 8
FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING MODE
SD
RD
CP
J
K
Q
Q
L
H
X
X
X
H
L
Asynchronous Set
H
L
X
X
X
L
H
Asynchronous Reset
L
L
X
X
X
H*
H*
Undetermined *
H
H
↓
h
h
q
q
Toggle
H
H
↓
h
l
H
L
Load “1” (Set)
H
H
↓
l
h
L
H
Load “0” (Reset)
H
H
↓
l
l
q
q
Hold “no change”
H
H
H
X
X
q
q
Hold “no change”
H =
h
L
l
q
X =
↓
*
Asynchronous inputs: Low input to SD sets Q to High level, Low input to RD sets Q to Low level. Set and reset are independent of clock.
Simultaneous Low on both SD and RD makes both Q and Q High.
High voltage level
High state must be present one setup time prior to High-to-Low clock transition
Low voltage level
Low state must be present one setup time prior to High-to-Low clock transition
Lower case indicate the state of the referenced output prior to the High-to-Low clock transition
Don’t care
High-to-Low 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
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相关PDF资料 |
PDF描述 |
|---|---|
| 74ALS112A | Dual J-K negative edge-triggered flip-flop |
| 74ALS112AD | Dual J-K negative edge-triggered flip-flop |
| 74ALS112AN | Dual J-K negative edge-triggered flip-flop |
| 74ALS11AD | Triple 3-Input AND gate |
| 74ALS11A | Triple 3-Input AND gate(三3输入与门) |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 74ALS112A | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual J-K negative edge-triggered flip-flop |
| 74ALS112AD | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual J-K negative edge-triggered flip-flop |
| 74ALS112AN | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual J-K negative edge-triggered flip-flop |
| 74ALS11A | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Triple 3-Input AND gate |
| 74ALS11AD | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Triple 3-Input AND gate |
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