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參數資料
| 型號： | 74393 |
| 廠商： | Harris Corporation |
| 英文描述： | CTV 6C 6#20 PIN PLUG |
| 中文描述： | 高速CMOS邏輯雙路4位的二進制計數器 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 31K |
| 代理商： | 74393 |
1
Semiconductor
Features
Fully Static Operation
Buffered Inputs
Common Reset
Negative-Edge Clocking
Typical f
MAX
= 60 MHz at V
CC
= 5V, C
L
= 15pF,
T
A
= 25
o
C
Fanout (Over Temperature Range)
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
Wide Operating Temperature Range . . . -55
o
C to 125
o
C
Balanced Propagation Delay and Transition Times
Significant Power Reduction Compared to LSTTL
Logic ICs
HC Types
- 2V to 6V Operation
- High Noise Immunity: N
IL
= 30%, N
IH
= 30%of V
CC
at
V
CC
= 5V
HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
V
IL
= 0.8V (Max), V
IH
= 2V (Min)
- CMOS Input Compatibility, I
l
≤
1
μ
A at V
OL
, V
OH
Description
The Harris CD74HC393 and CD74HCT393 are 4-stage
ripple-carry binary counters. Al counter stages are master-
slave flip-flops. The state of the stage advances one count
on the negative transition of each clock pulse; a high voltage
level on the MR line resets all counters to their zero state. All
inputs and outputs are buffered.
Pinout
CD74HC393, CD74HCT393
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE (
o
C)
PACKAGE
PKG.
NO.
CD74HC393E
-55 to 125
14 Ld PDIP
E14.3
CD74HCT393E
-55 to 125
14 Ld PDIP
E14.3
CD74HC393M
-55 to 125
14 Ld SOIC
M14.15
CD74HCT393M
-55 to 125
14 Ld SOIC
M14.15
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. Wafer or die for this part number is available which meets all elec-
trical specifications. Please contact your local sales office or
Harris customer service for ordering information.
1CP
1MR
1Q0
1Q1
1Q2
1Q3
GND
V
CC
2CP
2MR
2Q0
2Q1
2Q2
2Q3
1
2
3
4
5
6
7
14
13
12
11
10
9
8
September 1997
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
Harris Corporation 1997
File Number
1653.1
CD74HC393,
CD74HCT393
High Speed CMOS Logic
Dual 4 -Stage Binary Counter
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