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HD74HC74T PDF预览

HD74HC74T

更新时间: 2024-02-01 15:02:49
品牌 Logo 应用领域
其他 - ETC 触发器
页数 文件大小 规格书
9页 58K
描述
FLIP-FLOP|DUAL|D TYPE|HC-CMOS|TSSOP|14PIN|PLASTIC

HD74HC74T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP, TSSOP14,.25针数:14
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.05
Is Samacsys:N系列:HC/UH
JESD-30 代码:R-PDSO-G14长度:5 mm
负载电容(CL):50 pF逻辑集成电路类型:D FLIP-FLOP
最大频率@ Nom-Sup:20000000 Hz最大I(ol):0.004 A
湿度敏感等级:1位数:1
功能数量:2端子数量:14
最高工作温度:85 °C最低工作温度:-40 °C
输出极性:COMPLEMENTARY封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP14,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
电源:2/6 V传播延迟(tpd):200 ns
认证状态:Not Qualified座面最大高度:1.1 mm
子类别:FF/Latches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):4.5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL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:NOT SPECIFIED触发器类型:POSITIVE EDGE
宽度:4.4 mmBase Number Matches:1

HD74HC74T 数据手册

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HD74HC74  
Dual D-type Flip-Flops (with Preset and Clear)  
Description  
The flip-flop has independent data, preset, clear, and clock inputs and Q and Q outputs. The logic level  
present at thte data input is transferred to the output during the positive going transition to the clock pulse.  
Preset and clear are independent of the clock and accomplished by a low level at the appropriate input.  
Features  
High Speed Operation: tpd (Clock to Q or Q) = 14 ns typ (CL = 50 pF)  
High Output Current: Fanout of 10 LSTTL Loads  
Wide Operating Voltage: VCC = 2 to 6 V  
Low Input Current: 1 µA max  
Low Quiescent Supply Current: ICC (static) = 2 µA max (Ta = 25°C)  
Function Table  
Inputs  
Outputs  
Preset  
Clear  
Clock  
Data  
X
Q
Q
L
H
L
X
X
X
H
L
H
L
X
L
H*1  
H
H*1  
L
X
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
H
L
X
no change  
no change  
no change  
no change  
no change  
no change  
H
X
X
Note: 1. Q and Q will remain HIGH as long as Preset and Clear are Low, but Q and Q are unpredictable,  
if Preset and Clear go HIGH simultaneously.  

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