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參數(shù)資料
| 型號： | DM74LS166WM |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad Buffer with 3-STATE Outputs |
| 中文描述： | LS SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16 |
| 封裝： | 0.300 INCH, MS-013, SOIC-16 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 78K |
| 代理商： | DM74LS166WM |
www.fairchildsemi.com
4
D
Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
Parameter Measurement Information
Voltage Waveforms
Test Table for Synchronous Inputs
Note A:
The clock pulse has the following characteristics: t
W(clock)
≥
20 ns and PRR
=
1 MHz. The clear pulse has the following characteristics:
t
W(clear)
≥
20 ns and t
HOLD
=
0 ns. When testing f
MAX
, vary the clock PRR.
Note B:
A clear pulse is applied prior to each test.
Note C:
Propagation delay times (t
PLH
and t
PHL
) are measured at t
n
+
1
. Proper shifting of data is verified at t
n
+
8
with a functional test.
Note D:
t
n
=
bit time before clocking transition
t
n
+
1
=
bit time after one clocking transition
t
n
+
8
=
bit time after eight clocking transitions
Note E:
V
REF
=
1.3V.
From (Input)
R
L
=
2 k
Symbol
Parameter
To (Output)
C
L
=
15 pF
Min
25
C
L
=
50 pF
Min
20
Units
Max
Max
f
MAX
t
PLH
Maximum Clock Frequency
Propagation Delay Time
MHz
Clock to Output
8
35
38
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Clock to Output
8
35
41
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Clear to Output
6
30
36
ns
Data Input
for Test
H
Shift/Load
Output Tested
(See Note C)
Q
H
at T
N
+
1
Q
H
at T
N
+
8
0V
Serial Input
4.5V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74LS166WMX | 功能描述:計數(shù)器移位寄存器 8-Bit Serial Sht Reg RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| DM74LS169A WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS169AM | 功能描述:計數(shù)器 IC Syn 4-Bit Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| DM74LS169AMX | 功能描述:計數(shù)器 IC Syn 4-Bit Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| DM74LS169AN | 功能描述:計數(shù)器 IC Syn 4-Bit Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
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