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CD74HCT354

更新时间： 2024-11-23 23:04:31
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德州仪器 - TI 复用器
页数 文件大小 规格书
14页 168K
描述
8-Line to 1-Line Data Selector/Multiplexer/Register With 3-State Outputs

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CD74HCT354 数据手册

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CD54HC354, CD74HC354,  
CD74HCT354  
8-Line to 1-Line Data Selector/Multiplexer/Register  
With 3-State Outputs  
SCHS277D - November 1997 - Revised May 2003  
Features  
Description  
• HC/HCT354  
The CD54HC354, CD74HC354, and CD74HCT354 are data  
selectors/multiplexers that select one of eight sources. In both  
types, the data select bits S0, S1 and S2 are stored in  
transparent latches that are enabled by a low latch enable  
input, LE.  
- Transparent Data and Select Latches  
• Buffered Inputs  
[ /Title  
(CD74  
HC354  
,
• Three-State Complementary Outputs  
• Bus Line Driving Capability  
In the HC/HCT354 the data enable input, E, controls  
transparent latches that pass data to the outputs when E is  
high and latches in new data when E is low.  
• Typical Propagation Delay: V  
CC  
= 5V, C = 15pF,  
L
o
CD74  
HCT35  
4)  
/Sub-  
ject  
(High  
Speed  
CMOS  
Logic  
8-Input  
Multip  
lexer/  
Regis-  
T = 25 C  
A
- Data to Output = 18ns  
In both types the three-state outputs are controlled by three  
output-enable inputs OE1, OE2, and OE3.  
• Fanout (Over Temperature Range)  
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads  
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads Ordering Information  
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C  
TEMP. RANGE  
• Balanced Propagation Delay and Transition Times  
o
PART NUMBER  
CD54HC354F3A  
CD74HC354E  
( C)  
PACKAGE  
20 Ld CERDIP  
20 Ld PDIP  
• Significant Power Reduction Compared to LSTTL  
Logic ICs  
-55 TO 125  
-55 to 125  
-55 to 125  
• HC Types  
- 2V to 6V Operation  
CD74HCT354E  
20 Ld PDIP  
- High Noise Immunity: N = 30%, N = 30% of V  
IL IH CC  
at V  
= 5V  
CC  
• HCT Types  
- 4.5V to 5.5V Operation  
- Direct LSTTL Input Logic Compatibility,  
V = 0.8V (Max), V = 2V (Min)  
IL IH  
- CMOS Input Compatibility, I ≤ 1µA at V , V  
OL OH  
l
Pinout  
CD54HC354  
(CERDIP)  
CD74HC354, CD74HCT354  
(PDIP)  
TOP VIEW  
1
2
3
4
5
6
7
8
9
V
Y
D7  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
E
20  
19  
CC  
18 Y  
17 OE3  
16 OE2  
15  
OE1  
14 S0  
13 S1  
12  
S2  
GND 10  
11 LE  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
Copyright © 2003, Texas Instruments Incorporated  
1
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