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74HCT5555DB-T PDF预览

74HCT5555DB-T

更新时间: 2024-02-09 07:12:21
品牌 Logo 应用领域
恩智浦 - NXP 振荡器
页数 文件大小 规格书
23页 146K
描述
IC SPECIALTY ANALOG CIRCUIT, PDSO16, Analog IC:Other

74HCT5555DB-T 技术参数

生命周期:Obsolete包装说明:SOP,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.59模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G16功能数量:1
端子数量:16最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
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
端子形式:GULL WING端子位置:DUAL
Base Number Matches:1

74HCT5555DB-T 数据手册

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Philips Semiconductors  
Product specification  
Programmable delay timer with oscillator  
74HC/HCT5555  
retriggerable/non-retriggerable  
FEATURES  
GENERAL DESCRIPTION  
monostable  
Positive and negative edge  
triggered  
The 74HC/HCT5555 are high-speed  
Si-gate CMOS devices and are pin  
compatible with low power Schottky  
TTL (LSTTL). They are specified in  
compliance with JEDEC standard  
no. 7A.  
automatic power-ON reset  
output control logic  
Retriggerable or non-retriggerable  
Programmable delay  
oscillator control logic  
overriding asynchronous master  
reset (MR).  
minimum: 100 ns  
maximum: depends on input  
frequency and division ratio  
Divide-by range of 2 to 224  
The 74HC/HCT5555 are precision  
programmable delay timers which  
consist of:  
Direct reset terminates output  
24-stage binary counter  
pulse  
integrated oscillator (using external  
Very low power consumption in  
timing components)  
triggered start mode  
3 oscillator operating modes:  
– RC oscillator  
QUICK REFERENCE DATA  
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns.  
– Crystal oscillator  
SYMBOL  
PHL/tPLH  
PARAMETER  
CONDITIONS  
TYP.  
UNIT  
– External oscillator  
t
propagation delay  
A, B to Q/Q  
CL = 15 pF;  
VCC = 5 V  
Device is unaffected by variations  
in temperature and VCC when using  
an external oscillator  
24  
19  
26  
24  
ns  
MR to Q/Q  
20  
28  
ns  
ns  
Automatic power-ON reset  
RS to Q/Q  
Schmitt trigger action on both  
trigger inputs  
CI  
input capacitance  
3.5 3.5 pF  
23 36 pF  
CPD  
power dissipation  
capacitance per buffer  
notes 1 and 2  
Direct drive for a power transistor  
Low power consumption in active  
mode with respect to TTL type  
timers  
Notes  
1. CPD is used to determine the dynamic power dissipation (PD in µW):  
PD = CPD x VCC2 x fi + Σ(CL x VCC2 x fo) where:  
fi = input frequency in MHz  
High precision due to digital timing  
Output capability: 20 mA  
ICC category: MSI.  
fo = output frequency in MHz  
Σ(CL x VCC2 x fo) = sum of outputs.  
CL = output load capacitance in pF  
APPLICATIONS  
VCC = supply voltage in V  
Motor control  
2. For HC the condition is VI = GND to VCC  
Attic fan timers  
For HCT the condition is VI = GND to VCC 1.5 V.  
Delay circuits  
Automotive applications  
Precision timing  
Domestic appliances.  
ORDERING INFORMATION  
PACKAGE  
EXTENDED TYPE  
NUMBER  
PINS PIN POSITION MATERIAL  
CODE  
74HC/HCT5555N  
74HC/HCT5555D  
16  
16  
DIL  
plastic  
plastic  
SOT38Z  
SO16  
SOT109A  
September 1993  
2

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