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参数资料
| 型号： | SN74LS166MEL |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 计数移位寄存器 |
| 英文描述： | LS SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16 |
| 封装： | EIAJ, SOP-16 |
| 文件页数： | 5/8页 |
| 文件大小： | 192K |
| 代理商： | SN74LS166MEL |
SN74LS166
http://onsemi.com
5
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
0 V
Vref
tn
tn + 1
tsu
th
tPHL
tw(clock)
(CLK-Q)
Vref
AC CHARACTERISTICS (TA = 25°C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
fMAX
Maximum Clock Frequency
25
35
MHz
VCC = 5.0 V
CL = 15 pF
tPHL
Clear to Output
19
30
ns
tPLH
tPHL
Clock to Output
23
24
35
ns
AC SETUP REQUIREMENTS (TA = 25°C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tW
Clock Clear Pulse Width
30
ns
VCC = 5.0 V
ts
Mode Control Setup Time
30
ns
ts
Data Setup Time
20
ns
th
Hold Time, Any Input
15
ns
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LS166N | 制造商:ON Semiconductor 功能描述: 制造商:Semiconductors 功能描述: |
| SN74LS166ND | 制造商:Motorola Inc 功能描述: |
| SN74LS168N | 制造商:Motorola Inc 功能描述:IC,COUNTER,UP/DOWN,DECADE,LS-TTL,DIP,16PIN,PLASTIC |
| SN74LS169BD | 功能描述:计数器 IC Synch 4-Bit Up/Down Binary Counter RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
| SN74LS169BDE4 | 功能描述:计数器 IC Synch 4-Bit Up/Down Binary Counter RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
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