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74AC191 PDF预览

74AC191

更新时间: 2024-01-31 19:28:24
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 计数器时钟
页数 文件大小 规格书
10页 117K
描述
Up/Down Counter with Preset and Ripple Clock

74AC191 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:5.30 MM, EIAJ TYPE2, SOP-16
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.66
其他特性:TCO OUTPUT计数方向:BIDIRECTIONAL
系列:ACJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:10.2 mm
负载电容(CL):50 pF负载/预设输入:YES
逻辑集成电路类型:BINARY COUNTER最大频率@ Nom-Sup:65000000 Hz
最大I(ol):0.012 A工作模式:SYNCHRONOUS
湿度敏感等级:1位数:4
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TAPE AND REEL
峰值回流温度(摄氏度):260电源:3.3/5 V
传播延迟(tpd):16 ns认证状态:Not Qualified
座面最大高度:2.1 mm子类别:Counters
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2 V
标称供电电压 (Vsup):3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED触发器类型:POSITIVE EDGE
宽度:5.3 mm最小 fmax:133 MHz
Base Number Matches:1

74AC191 数据手册

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AC Electrical Characteristics  
VCC  
C
L = 50 pF  
T
A = −40°C to +85°C  
L = 50 pF  
Max  
Symbol  
Parameter  
T
A = +25°C  
C
Units  
(V)  
(Note 6)  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
3.3  
5.0  
Min  
70  
Typ  
105  
133  
8.5  
6.0  
8.5  
6.0  
10.5  
7.5  
10.5  
7.5  
7.5  
5.5  
7.0  
5.0  
7.0  
5.0  
6.5  
5.0  
6.5  
5.0  
7.0  
5.0  
7.0  
5.0  
6.5  
5.0  
8.0  
5.5  
7.5  
5.5  
9.5  
5.5  
8.0  
6.0  
Max  
Min  
fMAX  
Maximum Count  
65  
85  
MHz  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
Frequency  
90  
tPLH  
tPHL  
tPLH  
tPHL  
tPLH  
tPHL  
tPLH  
tPHL  
tPLH  
tPHL  
tPLH  
tPHL  
tPLH  
tPHL  
tPLH  
tPHL  
Propagation Delay  
CP to Qn  
2.0  
1.5  
2.5  
1.5  
3.5  
2.5  
4.0  
2.5  
2.5  
2.0  
2.5  
1.5  
2.5  
1.5  
2.0  
1.5  
2.5  
1.5  
2.5  
1.5  
2.0  
1.5  
2.0  
1.5  
2.5  
2.0  
2.5  
1.5  
3.5  
2.0  
3.0  
2.0  
15.0  
11.0  
14.5  
10.5  
18.0  
12.0  
17.5  
12.5  
12.0  
9.5  
1.5  
1.5  
2.0  
1.5  
2.5  
1.5  
3.0  
2.0  
2.0  
1.0  
2.0  
1.0  
1.5  
1.0  
1.5  
1.0  
2.0  
1.0  
2.0  
1.0  
1.5  
1.0  
1.5  
1.0  
2.0  
1.0  
1.5  
1.0  
2.5  
1.0  
2.0  
1.5  
16.0  
12.0  
16.0  
11.5  
20.0  
14.0  
19.0  
13.5  
13.5  
10.5  
12.5  
9.5  
Propagation Delay  
CP to Qn  
Propagation Delay  
CP to TC  
Propagation Delay  
CP to TC  
Propagation Delay  
CP to RC  
Propagation Delay  
CP to RC  
11.5  
8.5  
Propagation Delay  
CE to RC  
12.0  
8.5  
13.5  
9.5  
Propagation Delay  
CE to RC  
11.0  
8.0  
12.5  
9.0  
Propagation Delay  
U /D to RC  
12.5  
9.0  
14.5  
10.0  
13.5  
10.0  
13.5  
9.5  
Propagation Delay  
U /D to RC  
12.0  
8.5  
Propagation Delay  
U /D to TC  
11.5  
8.5  
Propagation Delay  
U /D to TC  
11.0  
8.5  
12.5  
9.5  
Propagation Delay  
13.5  
9.5  
15.5  
10.5  
14.5  
10.5  
17.5  
10.5  
15.5  
11.0  
Pn to Qn  
Propagation Delay  
Pn to Qn  
13.0  
9.5  
Propagation Delay  
PL to Qn  
14.5  
9.5  
Propagation Delay  
PL to Qn  
13.5  
10.0  
Note 6: Voltage Range 3.3 is 3.3V ± 0.3V  
Voltage Range 5.0 is 5.0V ± 0.5V  
5
www.fairchildsemi.com  

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