參數(shù)資料
型號(hào): DM74S161
廠商: Fairchild Semiconductor Corporation
元件分類: 通用總線功能
英文描述: Synchronous 4-Bit Binary Counters
中文描述: 同步4位二進(jìn)制計(jì)數(shù)器
文件頁數(shù): 4/7頁
文件大?。?/td> 80K
代理商: DM74S161
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
DM74S161N Synchronous 4-Bit Binary Counters
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DM74S161 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
DM74S161N 功能描述:計(jì)數(shù)器 IC Syn 4-Bit Binary Ctr RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)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
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