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CY74FCT841T PDF预览

CY74FCT841T

更新时间: 2024-11-06 09:43:03
品牌 Logo 应用领域
德州仪器 - TI 锁存器
页数 文件大小 规格书
8页 86K
描述
10-Bit Latch

CY74FCT841T 数据手册

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Data sheet acquired from Cypress Semiconductor Corporation.  
Data sheet modified to remove devices not offered.  
CY54/74FCT841T  
SCCS035 - September 1994 - Revised March 2000  
10-Bit Latch  
High-speed parallel latches  
Buffered common latch enable input  
Features  
• Function, pinout, and drive compatible with FCT, F, and  
AM29841 logic  
• FCT-C speed at 5.5 ns max. (Com’l)  
FCT-B speed at 6.5 ns max. (Com’l)  
• Reduced VOH (typically = 3.3V) versions of equivalent  
FCT functions  
• Edge-rate control circuitry for significantly improved  
noise characteristics  
Functional Description  
The FCT841T bus interface latch is designed to eliminate the  
extra packages required to buffer existing latches and provide  
extra data width for wider address/data paths or buses  
carrying parity. The FCT841T is a buffered 10-bit wide version  
of the FCT373 function.  
The FCT841T high-performance interface is designed for  
high-capacitance load drive capability while providing  
low-capacitance bus loading at both inputs and outputs.  
Outputs are designed for low-capacitance bus loading in the  
high impedance state and are designed with a power-off  
disable feature to allow for live insertion of boards.  
• Power-off disable feature  
Matched rise and fall times  
ESD > 2000V  
• Fully compatible with TTL input and output logic levels  
Sink current  
64 mA (Com’l),  
32 mA (Mil)  
Source current 32 mA (Com’l),  
12 mA (Mil)  
Functional Block Diagram  
D
0
D
1
D
2
D
D
4
D
D
D
N
3
5
N- 1  
D
D
Q
Q
D
Q
Q
D
Q
Q
D
Q
Q
D
Q
Q
D
Q
Q
D
Q
Q
Q
LE  
LE  
LE  
LE  
LE  
LE  
LE  
LE  
LE  
OE  
Y
0
Y
1
Y
2
Y
3
Y
4
Y
5
Y
N- 1  
Y
N
Logic Block Diagram  
Pin Configurations  
DIP/QSOP/SOIC  
Top View  
10  
D
D
10  
Q
Y
24  
23  
22  
21  
OE  
1
2
3
4
LE  
V
CC  
LE  
D
0
Y
0
Y
1
D
1
OE  
Y
2
D
2
Y
20  
19  
18  
17  
16  
D
3
5
3
D
4
Y
4
6
D
5
Y
5
7
Y
6
D
6
8
D
7
9
Y
7
Y
D
8
10  
11  
8
15  
14  
13  
Y
9
D
9
LE  
GND  
12  
Copyright © 2000, Texas Instruments Incorporated  

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