欢迎访问ic37.com |
会员登录 免费注册
发布采购

CD74HC158M 参数 Datasheet PDF下载

CD74HC158M图片预览
型号: CD74HC158M
PDF下载: 下载PDF文件 查看货源
内容描述: 高速CMOS逻辑四路2输入多路复用器 [High Speed CMOS Logic Quad 2-Input Multiplexers]
分类和应用: 复用器
文件页数/大小: 6 页 / 28 K
品牌: HARRIS [ HARRIS CORPORATION ]
 浏览型号CD74HC158M的Datasheet PDF文件第2页浏览型号CD74HC158M的Datasheet PDF文件第3页浏览型号CD74HC158M的Datasheet PDF文件第4页浏览型号CD74HC158M的Datasheet PDF文件第5页浏览型号CD74HC158M的Datasheet PDF文件第6页  
S E M I C O N D U C T O R
CD74HC157, CD74HCT157,
CD74HC158, CD74HCT158
High Speed CMOS Logic
Quad 2-Input Multiplexers
Description
The Harris CD74HC157, CD74HCT157, CD74HC158 and
CD74HCT158 are quad 2-input multiplexers which select
four bits of data from two sources under the control of a
common Select input (S). The Enable input (E) is active Low.
When (E) is High, all of the outputs in the 158, the inverting
type, (1Y-4Y) are forced High and in the 157, the non-
inverting type, all of the outputs (1Y-4Y) are forced Low,
regardless of all other input conditions.
Moving data from two groups of registers to four common
output busses is a common use of these devices. The state
of the Select input determines the particular register from
which the data comes. They can also be used as function
generators.
September 1997
Features
• Common Select Inputs
• Separate Enable Inputs
• Buffered inputs and Outputs
• 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
1µA at V
OL
, V
OH
Ordering Information
PART NUMBER
CD74HC157E
CD74HCT157E
CD74HC158E
CD74HCT158E
CD74HC157M
TEMP. RANGE (
o
C)
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
PACKAGE
16 Ld PDIP
16 Ld PDIP
16 Ld PDIP
16 Ld PDIP
16 Ld SOIC
16 Ld SOIC
16 Ld SOIC
PKG.
NO.
E16.3
E16.3
E16.3
E16.3
M16.15
M16.15
M16.15
Pinout
CD74HC157, CD74HCT157, CD74HC158, CD74HCT158
(PDIP, SOIC)
TOP VIEW
S 1
1I
0
2
1I
1
3
1Y 4
2I
0
5
2I
1
6
2Y 7
GND 8
16 V
CC
15 E
14 4I
0
13 4I
1
12 4Y
11 3I
0
10 3I
1
9 3Y
CD74HCT157M
CD74HC158M
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.
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
©
Harris Corporation 1997
File Number
1642.2
1