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CD74HC374

更新时间： 2024-11-01 23:00:39
品牌 Logo 应用领域
德州仪器 - TI 触发器
页数 文件大小 规格书
9页 54K
描述
High Speed CMOS Logic Octal D-Type Flip-Flop, Three-State Positive-Edge Triggered

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CD74HC374 数据手册

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CD74HC374, CD74HCT374,  
CD74HC574, CD74HCT574  
Data sheet acquired from Harris Semiconductor  
SCHS183  
High Speed CMOS Logic Octal D-Type Flip-Flop,  
Three-State Positive-Edge Triggered  
February 1998  
Features  
Description  
• Buffered Inputs  
The Harris CD74HC374, CD74HCT374, CD74HC574 and  
CD74HCT574 are Octal D-Type Flip-Flops with Three-State  
• Common Three-State Output Enable Control  
• Three-State Outputs  
[ /Title  
(CD74  
HC374  
,
Outputs and the capability to drive 15 LSTTL loads. The eight  
edge-triggered flip-flops enter data into their registers on the  
LOW to HIGH transition of clock (CP). The Output Enable  
(OE) controls the three-state outputs and is independent of  
the register operation. When Output Enable (OE) is HIGH the  
outputs will be in the high impedance state. The 374 and 574  
are identical in function and differ only in their pinout  
arrangements.  
• Bus Line Driving Capability  
• Typical Propagation Delay (Clock to Q) = 15ns at  
o
CD74  
HCT37  
4,  
V
= 5V, C = 15pF, T = 25 C  
L A  
CC  
• Fanout (Over Temperature Range)  
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads  
CD74  
HC574  
,
CD74  
HCT57  
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads Ordering Information  
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C  
• Balanced Propagation Delay and Transition Times  
PKG.  
NO.  
o
PART NUMBER TEMP. RANGE ( C) PACKAGE  
CD74HC374E  
CD74HCT374E  
CD74HCT574E  
CD74HC574E  
CD74HC574M  
CD74HC374M  
CD74HCT374M  
CD74HCT574M  
NOTES:  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
-55 to 125  
20 Ld PDIP  
20 Ld PDIP  
20 Ld PDIP  
20 Ld PDIP  
E20.3  
E20.3  
E20.3  
E20.3  
• Significant Power Reduction Compared to LSTTL  
Logic ICs  
• HC Types  
- 2V to 6V Operation  
20 Ld SOIC M20.3  
20 Ld SOIC M20.3  
20 Ld SOIC M20.3  
20 Ld SOIC M20.3  
- High Noise Immunity: N = 30%, N = 30% of V  
CC  
IL  
IH  
at V  
= 5V  
CC  
• HCT Types  
- 4.5V to 5.5V Operation  
1. When ordering, use the entire part number. Add the suffix 96 to  
obtain the variant in the tape and reel.  
- Direct LSTTL Input Logic Compatibility,  
V = 0.8V (Max), V = 2V (Min)  
IL IH  
2. Wafer and die for this part number is available which meets all  
electrical specifications. Please contact your local sales office or  
Harris customer service for ordering information.  
- CMOS Input Compatibility, I ≤ 1µA at V , V  
l
OL OH  
Pinouts  
CD74HC374, CD74HCT374  
(PDIP, SOIC)  
CD74HCT574  
(PDIP, SOIC)  
TOP VIEW  
TOP VIEW  
1
2
3
4
5
6
7
8
9
V
1
2
3
4
5
6
7
8
9
V
OE  
Q0  
D0  
D1  
Q1  
Q2  
D2  
D3  
Q3  
20  
19  
OE  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
20  
19  
CC  
CC  
Q7  
Q0  
18 D7  
17 D6  
16 Q6  
15 Q5  
14 D5  
13 D4  
18 Q1  
17 Q2  
16 Q3  
15 Q4  
14 Q5  
13 Q6  
12  
12  
Q4  
Q7  
GND 10  
11 CP  
GND 10  
11 CP  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
File Number 1663.1  
Copyright © Harris Corporation 1998  
1
1234567...9

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CD74HC374 替代型号

型号 品牌 替代类型 描述 数据表
CD54HC374 TI

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