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參數資料
| 型號： | CD54HC20W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | High Speed CMOS Logic Dual 4-Input NAND Gate |
| 中文描述： | 高速CMOS邏輯雙路4輸入與非門 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 46K |
| 代理商： | CD54HC20W |
1
Data sheet acquired from Harris Semiconductor
SCHS130
Features
Buffered Inputs
Typical Propagation Delay: 8ns 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 CD74HC20, CD74HCT20, logic gates utilize
silicon gate CMOS technology to achieve operating speeds
similar to LSTTL gates with the low power consumption of
standard CMOS integrated circuits. All devices have the
ability to drive 10 LSTTL loads. The 74HCT logic family is
functionally pin compatible with the standard 74LS logic
family.
Pinout
CD74HC20, CD74HCT20
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP.RANGE
(
o
C)
PACKAGE
PKG.
NO.
CD74HC20E
-55 to 125
14 Ld PDIP
E14.3
CD74HCT20E
-55 to 125
14 Ld PDIP
E14.3
CD74HC20M
-55 to 125
14 Ld SOIC
M14.15
CD74HCT20M
-55 to 125
14 Ld SOIC
M14.15
CD54HC20W
-55 to 125
Wafer
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. 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.
1A
1B
NC
1C
1D
1Y
GND
V
CC
2D
2C
NC
2B
2A
2Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
August 1997
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
Harris Corporation 1997
CD74HC20,
CD74HCT20
High Speed CMOS Logic
Dual 4-Input NAND Gate
File Number
1601.1
[ /Title
(CD74H
C20,
CD74H
CT20)
/Subject
(High
Speed
CMOS
Logic
Dual 4-
Input
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