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74HCT244PW PDF预览

74HCT244PW

更新时间: 2024-01-28 01:33:54
品牌 Logo 应用领域
恩智浦 - NXP 总线驱动器总线收发器逻辑集成电路光电二极管
页数 文件大小 规格书
7页 43K
描述
Octal buffer/line driver; 3-state

74HCT244PW 技术参数

Source Url Status Check Date:2013-06-14 00:00:00是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP20,.25针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5控制类型:ENABLE LOW
系列:HCTJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:6.5 mm
负载电容(CL):50 pF逻辑集成电路类型:BUS DRIVER
最大I(ol):0.006 A湿度敏感等级:1
位数:4功能数量:2
端口数量:2端子数量:20
最高工作温度:125 °C最低工作温度:-40 °C
输出特性:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP20,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:5 VProp。Delay @ Nom-Sup:28 ns
传播延迟(tpd):33 ns认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Bus Driver/Transceivers
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:4.4 mm
Base Number Matches:1

74HCT244PW 数据手册

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Philips Semiconductors  
Product specification  
Octal buffer/line driver; 3-state  
74HC/HCT244  
DC CHARACTERISTICS FOR 74HCT  
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.  
Output capability: bus driver  
ICC category: MSI  
Note to HCT types  
The value of additional quiescent supply current (ICC) for a unit load of 1 is given in the family specifications.  
To determine ICC per input, multiply this value by the unit load coefficient shown in the table below.  
INPUT  
UNIT LOAD COEFFICIENT  
1An  
2An  
1OE  
2OE  
0.70  
0.70  
0.70  
0.70  
AC CHARACTERISTICS FOR 74HCT  
GND = 0 V; tr = tf = 6 ns; CL = 50 pF  
Tamb (°C)  
TEST CONDITIONS  
74HCT  
SYMBOL  
PARAMETER  
UNIT  
WAVEFORMS  
VCC  
(V)  
+25  
40 to +85 40 to +125  
min. typ. max. min. max. min. max.  
tPHL/ tPLH propagation delay  
1An to 1Yn;  
13  
15  
15  
5
22  
30  
25  
12  
28  
38  
31  
15  
33  
45  
38  
18  
ns  
ns  
ns  
ns  
4.5 Fig.5  
2An to 2Yn  
t
t
t
PZH/ tPZL 3-state output enable time  
1OE to 1Yn;  
4.5 Fig.6  
4.5 Fig.6  
4.5 Fig.5  
2OE to 2Yn  
PHZ/ tPLZ 3-state output disable time  
1OE to 1Yn;  
2OE to 2Yn  
THL/ tTLH output transition time  
December 1990  
6

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