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PI74FCT377TQSOP PDF预览

PI74FCT377TQSOP

更新时间: 2024-11-16 10:12:55
品牌 Logo 应用领域
百利通 - PERICOM 触发器时钟
页数 文件大小 规格书
3页 41K
描述
FAST CMOS OCTAL D FLIP-FLOP WITH CLOCK ENABLE

PI74FCT377TQSOP 数据手册

 浏览型号PI74FCT377TQSOP的Datasheet PDF文件第2页浏览型号PI74FCT377TQSOP的Datasheet PDF文件第3页 
PI74FCT377T  
Fast CMOS Octal D Flip-Flop  
with Clock Enable  
Product Description:  
PericomSemiconductor’sPI74FCTseriesoflogiccircuitsarepro-  
ducedintheCompany’sadvanced 0.6/0.8micron CMOStechnology,  
achieving industry leading speed grades.  
ProductFeatures:  
• ThePI74FCT377TispincompatiblewithbipolarFAST™  
Series at a higher speed and lower power  
consumption  
• TTL input and output levels  
• OctalDflip-flopswithClockEnable  
• Extremelylowstaticpower  
• Hysteresis on all inputs  
• Industrial operating temperature range: –40°C to +85°C  
• Packagesavailable:  
The PI74FCT377T is an 8-bit wide octal designed with eight edge-  
triggered D-type flip-flops with individual D inputs and O outputs.  
When Clock Enable (CE) is LOW, the common buffered Clock  
(CP)loadsallflip-flopssimultaneously. Theregisterisfullyedge-  
triggered. D input state, one setup time before the LOW-to-HIGH  
clock transition, is transferred to the corresponding flip-flop’s O  
output. The CE input must be stable only one setup time prior to  
the LOW-to-HIGH transition for predictable operation.  
– 20-pin173milwideplasticTSSOP(L)  
– 20-pin300milwideplasticDIP(P)  
– 20-pin150milwideplasticQSOP(Q)  
– 20-pin150milwideplasticTQSOP(R)  
– 20-pin300milwideplasticSOIC(S)  
Logic Block Diagram  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
CE  
D
D
D
D
D
D
D
D
Q
Q
Q
Q
Q
Q
Q
Q
CP  
CP  
CP  
CP  
CP  
CP  
CP  
CP  
CP  
O0  
O1  
O2  
O3  
O4  
O5  
O6  
O7  
Truth Table(1)  
Product Pin Configuration  
Product Pin Description  
Inputs  
Outputs  
ON  
Pin Name  
CE  
Description  
CE  
1
2
3
4
5
6
7
8
9
10  
20 Vcc  
Mode  
CP  
CE  
l
DN  
h
Clock Enable (Active LOW)  
Clock Pulse Input  
Data Inputs  
O0  
D0  
D1  
O1  
O2  
D2  
D3  
O3  
19  
18  
17  
16  
15  
14  
13  
12  
11  
O7  
Load "1"  
Load "0"  
Hold  
H
CP  
20-PIN  
L20  
P20  
Q20  
R20  
S20  
D7  
l
l
L
D0-D7  
O0-O7  
GND  
VCC  
D6  
h
X
X
NC  
NC  
O
O
6
5
Data Outputs  
Ground  
(Do Nothing)  
H
H
D
D
5
4
Power  
1. H = HIGH Voltage Level  
h = HIGH Voltage Level one setup time  
prior to the LOW-to-HIGH Clock  
Transition  
O
4
GND  
CP  
L = LOW Voltage Level  
l = LOW Voltage Level one setup time  
prior to the LOW-to-HIGH Clock  
Transition  
X = Don't Care  
NC = No Change  
= LOW-to-HIGH Clock Transition  
PS2017A 03/11/96  
1

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