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參數(shù)資料
| 型號(hào)： | 74LS166 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 8-BIT SHIFT REGISTERS |
| 中文描述： | 8位轉(zhuǎn)換寄存器 |
| 文件頁(yè)數(shù)： | 4/4頁(yè) |
| 文件大?。?/td> | 106K |
| 代理商： | 74LS166 |
5-4
FAST AND LS TTL DATA
SN54/74LS166
TEST TABLE FOR SYNCHRONOUS INPUTS
DATA INPUT
FOR TEST
SHIFT/LOAD
OUTPUT TESTED
H
0 V
QH at tn+1
Serial
Input
4.5 V
QH at tn+8
AC WAVEFORMS
NOTE 1. tn = bit time before clocking transition
NOTE 1.
tn+1 = bit time after one clocking transition
NOTE 1.
tn+8 = bit time after eight clocking transition
NOTE 1.
LS166 Vref = 1.3 V.
CLEAR INPUT
CLOCK INPUT
DATA
INPUT
(SEE TEST
TABLE)
OUTPUT Q
Vref
tw(clear)
tPHL
(clear-Q)
(SEE NOTE 1)
tn + 1
tn
tsu
th
tPLH
(CLK-Q)
3 V
0 V
VOH
VOL
3 V
3 V
0 V
0 V
Vref
Vref
Vref
Vref
Vref
Vref
Vref
Vref
tn
tn + 1
tsu
th
tPHL
(CLK-Q)
tw(clock)
Vref
Vref
Vref
AC CHARACTERISTICS
(TA = 25
°
C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
fMAX
tPHL
tPLH
tPHL
Maximum Clock Frequency
25
35
MHz
CL = 15 pF
Clear to Output
19
30
ns
VCC = 5.0 V
Clock to Output
23
24
35
35
ns
AC SETUP REQUIREMENTS
(TA = 25
°
C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tW
ts
ts
th
Clock Clear Pulse Width
30
ns
VCC = 5.0 V
Mode Control Setup Time
30
ns
Data Setup Time
20
ns
Hold Time, Any Input
15
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74LS168 | BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS |
| 74LS168 | 54LS168 Synchronous Bi-Directional BCD Decade Counter |
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| 74LS194 | LOW POWER SCHOTTKY |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LS166N | 制造商:Motorola 功能描述:SN74LS166N 制造商:National Semiconductor 功能描述:74LS166N |
| 74LS168 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:54LS168 Synchronous Bi-Directional BCD Decade Counter |
| 74LS168AN | 制造商:North American Philips Discrete Products Div 功能描述:Counter, Up/Down, Decade, 16 Pin, Plastic, DIP |
| 74LS169 WAF | 制造商:Texas Instruments 功能描述: |
| 74LS169A DIE | 制造商:Advanced Micro Devices 功能描述: |
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