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參數(shù)資料
| 型號： | DM74S161N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Synchronous 4-Bit Binary Counters |
| 中文描述： | S SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDIP16 |
| 封裝： | 0.300 INCH, MS-001, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 80K |
| 代理商： | DM74S161N |
www.fairchildsemi.com
4
D
Parameter Measurement Information
Switching Time Waveforms
Note A:
The input pulses are supplied by generators having the following characteristics:
PRR
≤
1 MHz, duty cycle
≤
50%, Z
OUT
≈
50
. For DM74S161/163, t
r
≤
2.5 ns, t
f
≤
2.5 ns. Vary PRR to measure f
MAX
.
Note B:
Outputs Q
D
and carry are tested at t
n
+
16 for DM74S161, SM74S163 where t
n
is the bit time when all outputs are LOW
Note C:
V
REF
=
1.5V.
Switching Time Waveforms
Note A:
The input pulses are supplied by generators having the following characteristics:
PRR
≤
1 MHz, duty cycle
≤
50%, Z
OUT
≈
50
. t
r
≤
2.5 ns, t
f
≤
2.5 ns. Vary PRR to measure f
MAX
.
Note B:
Enable P and enable T setup times are measured at t
n
+
0.
Note C:
V
REF
=
1.5V.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DM74S163N | Synchronous 4-Bit Binary Counters |
| DM74S175N | Hex/Quad D Flip-Flop with Clear |
| DM74S174 | Hex/Quad D Flip-Flop with Clear |
| DM74S174N | Hex/Quad D Flip-Flop with Clear |
| DM74S182 | Look-Ahead Carry Generator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74S161N 83 | 制造商:National Semiconductor 功能描述:74S161 |
| DM74S161N 90 | 制造商:National Semiconductor 功能描述:74S161 |
| DM74S161N 91 | 制造商:National Semiconductor 功能描述:74S161 |
| DM74S161N83 | 制造商:National Semiconductor 功能描述:74S161 |
| DM74S161N90 | 制造商:National Semiconductor 功能描述:74S161 |
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