KK4541B

更新时间： 2024-01-04 12:59:14

品牌	Logo	应用领域
可天士 - KODENSHI		栅
页数	文件大小	规格书
6页	340K
描述
Programmable Timer High-Performance Silicon-Gate CMOS

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技术参数
数据手册

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KK4541B 技术参数

生命周期：	Obsolete	包装说明：	DIP, DIP14,.3
Reach Compliance Code：	unknown	风险等级：	5.84
Is Samacsys：	N	JESD-30 代码：	R-PDIP-T14
端子数量：	14	最高工作温度：	125 °C
最低工作温度：	-55 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	DIP	封装等效代码：	DIP14,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
电源：	3/18 V	认证状态：	Not Qualified
子类别：	Analog Waveform Generation Functions	表面贴装：	NO
技术：	CMOS	温度等级：	MILITARY
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	Base Number Matches：	1

KK4541B 数据手册

TECHNICAL DATA

KK4541B

Programmable Timer

High-Performance Silicon-Gate CMOS

The KK4541B programmable timer consists of a 16-stage binary

counter, an oscillator that is controlled by external R-C components (2

resistors and a capacitor), an automatic power-on reset circuit, and output

control logic. The counter increments on positive-edge clock transitons

and can also be reset via the MASTER RESET input.

The output from this timer is the Q or not Q output from the 8th, 10th,

13th, or 16th counter stage. The desired stage is chosen using time-select

inputs A and B. The output is available in either of two modes selectable

via the MODE input, pin 10. When this MODE input is a logic “1”,the

output will be a continuous square wave having a frequency equal to the

oscillator frequency divided by 2^N. With the MODE input set to logic ”0”

and after a MASTER RESET is initiated, the output (assuming Q output

has been selected) changes from a low to a high state after 2^N-1counts and

remains in that state until another MASTER RESET pulse is applied or

the MODE input is set to a logic “1”.

ORDERING INFORMATION

KK4541BN Plastic

KK4541BD SOIC

T_A= -55° to 125° C for all packages

Timing is initialized by setting the AUTO RESET input (pin 5) to

logic “0”and turning power on. If pin 5 is set to logic “1”, the AUTO RESET circuit is disabled and counting will not

start untill after a positive MASTER RESET pulse is applied and returns to a low level. The AUTO RESET consumes

an appreciable amount of power and should not be used if low-power operation is desired. For reliable automatic

power-on reset, V_CCshould be greater than 5V.

•

Operating Voltage Range: 3.0 to 18 V

Maximum input current of 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C

Noise margin (over full package temperature range):

1.0 V min @ 5.0 V supply

2.0 V min @ 10.0 V supply

2.5 V min @ 15.0 V supply

PIN ASSIGNMENT

LOGIC DIAGRAM

NC = NO CONNECTION

PIN 14 =V_CC

PIN 7 = GND

PINS 4,11 = NO CONNECTION

12 3 4 5 6

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