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參數資料
| 型號： | CD54HC157F96 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復用、解復用 |
| 英文描述： | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16 |
| 封裝： | CERDIP-16 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 34K |
| 代理商： | CD54HC157F96 |
1
Data sheet acquired from Harris Semiconductor
SCHS153A
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 . . . -55oC to 125oC
Balanced Propagation Delay and Transition Times
Signicant Power Reduction Compared to LSTTL
Logic ICs
HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30%of VCC at
VCC = 5V
HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1A at VOL, VOH
Pinout
CD54HC157, CD54HCT157, CD54HC158, CD54HCT158
(CERDIP)
CD74HC157, CD74HCT157, CD74HC158, CD74HCT158
(PDIP, SOIC)
TOP VIEW
Description
The ’HC157, ’HCT157, ’HC158, and ’HCT158 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.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
S
1I0
1I1
1Y
2I0
2I1
GND
2Y
VCC
4I0
4I1
4Y
3I0
3I1
3Y
E
Ordering Information
PART NUMBER
TEMP. RANGE
(oC)
PACKAGE
CD54HC157F
-55 to 125
16 Ld CERDIP
CD54HC157F3A
-55 to 125
16 Ld CERDIP
CD74HC157E
-55 to 125
16 Ld PDIP
CD74HC157M
-55 to 125
16 Ld SOIC
CD54HCT157F3A
-55 to 125
16 Ld CERDIP
CD74HCT157E
-55 to 125
16 Ld PDIP
CD74HCT157M
-55 to 125
16 Ld SOIC
CD54HC158F3A
-55 to 125
16 Ld CERDIP
CD74HC158E
-55 to 125
16 Ld PDIP
CD74HC158M
-55 to 125
16 Ld SOIC
CD54HCT158F3A
-55 to 125
16 Ld CERDIP
CD74HCT158E
-55 to 125
16 Ld PDIP
NOTES:
1. When ordering, use the entire part number. Add the sufx 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 TI sales office or
customer service for ordering information.
September 1997 - Revised May 2000
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
2000, Texas Instruments Incorporated
CD54/74HC157, CD54/74HCT157,
CD54/74HC158, CD54/74HCT158
High Speed CMOS Logic
Quad 2-Input Multiplexers
[ /Title
(CD74H
C157,
CD74H
CT157,
CD74H
C158,
CD74H
CT158)
/Subject
(High
Speed
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