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74F604

更新时间： 2024-11-19 22:15:59
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
7页 55K
描述
Dual octal latch 3-State

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中文翻译

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74F604 数据手册

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Philips Semiconductors  
Product specification  
Dual octal latch (3-State)  
74F604  
FEATURES  
PIN CONFIGURATION  
• High impedance NPN base inputs for reduced loading  
(20µA in High and Low states)  
LE  
1
2
3
4
5
28  
V
CC  
SELECT A/B  
27 A4  
26 B4  
25 A5  
24 B5  
23 A6  
• Stores 16-bit–wide Data inputs, multiplexed 8-bit outputs  
• 3-State outputs  
A0  
B0  
A1  
• Power supply current 75mA typical  
B1  
6
DESCRIPTION  
A2  
B2  
7
8
22 B6  
21 A7  
The 74F604 multiplexed latch is ideal for storing data from two input  
buses, A or B, and providing data from either the A or B latches to  
the output bus. Organized as 8-bit A and B latches, the latch outputs  
are connected by pairs to eight 2-input multiplexers. A Select  
(SELECT A/B) input determines whether the A or B latch contents  
are multiplexed to the eight 3-State outputs. Data entered from the B  
inputs are selected when SELECT A/B is Low; data from the A  
inputs are selected when SELECT A/B is High. Data enters the  
latches when the Latch Enable (LE) input is Low and is latched on  
the LE rising edge. The outputs are enabled when LE is High and  
disabled when LE is Low.  
A3  
9
20 B7  
19 Q7  
18 Q6  
17 Q5  
B3 10  
Q3 11  
Q2 12  
Q1 13  
16 Q4  
15 Q0  
GND 14  
SF01115  
TYPICAL  
PROPAGATION  
DELAY  
TYPICAL SUPPLY CURRENT  
(TOTAL)  
TYPE  
74F604  
7.5ns  
75mA  
ORDERING INFORMATION  
COMMERCIAL RANGE  
DESCRIPTION  
V
CC  
= 5V ±10%, T  
= 0°C to +70°C  
amb  
28-pin plastic DIP  
28-pin plastic SOL  
N74F604N  
N74F604D  
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE  
LOAD VALUE  
74F (U.L.)  
HIGH/LOW  
PINS  
DESCRIPTION  
HIGH/LOW  
20µA/20µA  
20µA/20µA  
20µA/20µA  
3mA/24mA  
A0–A7, B0–B7  
SELECT A/B  
LE  
Data inputs  
Select input  
1.0/0.033  
1.0/0.033  
1.0/0.033  
150/40  
Latch Enable input (active Low)  
Data outputs  
Q0–Q7  
NOTE:  
One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.  
1
1990 Mar 01  
853–0029 98991  
1234567

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与74F604相关器件

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74F604DCQR FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CDIP28, CERAMIC, DIP-28
74F604L1C FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CQCC28, CERAMIC, LCC-28
74F604L1CQR FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CQCC28, CERAMIC, LCC-28
74F604PC FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDIP28, PLASTIC, DIP-28
74F604SCQR FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDSO28, 0.150 INCH, SOIC-28
74F604SDC FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CDIP28, SLIM, CERAMIC, DIP-28
74F604SPC FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDIP28, SLIM, PLASTIC, DIP-28
74F604SPCQR FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDIP28, SLIM, PLASTIC, DIP-28
74F604VCQR FAIRCHILD

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 		Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDSO28, 0.300 INCH, SOIC-28
74F610L1C FAIRCHILD

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 		Microprocessor Circuit, Bipolar, CQCC44, CERAMIC, LCC-44

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