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CD74HCT4040 PDF预览

CD74HCT4040

更新时间: 2024-11-29 23:04:31
品牌 Logo 应用领域
德州仪器 - TI 计数器
页数 文件大小 规格书
9页 53K
描述
High Speed CMOS Logic 12-Stage Binary Counter

CD74HCT4040 数据手册

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CD74HC4040,  
CD74HCT4040  
Data sheet acquired from Harris Semiconductor  
SCHS203  
High Speed CMOS Logic  
12-Stage Binary Counter  
February 1998  
at V  
= 5V  
Features  
CC  
• HCT Types  
• Fully Static Operation  
• Buffered Inputs  
• Common Reset  
• Negative Edge Pulsing  
- 4.5V to 5.5V Operation  
- Direct LSTTL Input Logic Compatibility,  
[ /Title  
(CD74H  
C4040,  
CD74HC  
T4040)  
/Subject  
(High  
Speed  
CMOS  
Logic  
V = 0.8V (Max), V = 2V (Min)  
IL IH  
- CMOS Input Compatibility, I 1µA at V , V  
OL OH  
l
• Typical f  
MAX  
= 60 MHz at V = 5V, C = 15pF,  
CC L  
Description  
o
T = 25 C  
A
The Harris CD74HC4040 and CD74HCT4040 are 14-stage  
ripple-carry binary counters. All counter stages are master-  
slave flip-flops. The state of the stage advances one count  
on the negative clock transition of each input pulse; a high  
voltage level on the MR line resets all counters to their zero  
state. All inputs and outputs are buffered.  
• Fanout (Over Temperature Range)  
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads  
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads  
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C  
• Balanced Propagation Delay and Transition Times  
12-Stage  
Binary  
Ordering Information  
• Significant Power Reduction Compared to LSTTL  
Logic ICs  
PKG.  
o
PART NUMBER TEMP. RANGE ( C)  
PACKAGE  
16 Ld PDIP  
16 Ld PDIP  
NO.  
E16.3  
E16.3  
• HC Types  
CD74HC4040E  
CD74HCT4040E  
-55 to 125  
-55 to 125  
- 2V to 6V Operation  
- High Noise Immunity: N = 30%, N = 30% of V  
IL IH CC  
Pinout  
CD74HC4040, CD74HCT4040  
(PDIP, SOIC)  
TOP VIEW  
Q
1
2
3
4
5
6
7
8
16 V  
CC  
12  
Q
15 Q  
14 Q  
13 Q  
12 Q  
6
5
11  
10  
8
Q
Q7  
Q
Q
Q
4
3
2
9
11 MR  
10 CP  
9
Q ‘  
1
GND  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
File Number 1483.2  
Copyright © Harris Corporation 1998  
1

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