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For countdown up Found Datasheets File :: 293 Search Time::1.469ms
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				WINBOND[Winbond]
Part No.	W541L250
OCR Text	...Two built-in 8-bit programmable countdown timers - Timer 0: one of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected - Ti...up to 4 S instruction cycle (with 1 MHz operating frequency) * Packaged in 64-pin QFP -3- Publ...
Description	4-BIT MICROCONTROLLER
File Size	168.81K / 10 Page	View it Online	Download Datasheet

				WINBOND[Winbond]
Part No.	W742S81A
OCR Text	...Two built-in 8-bit programmable countdown timers - Timer 0: one of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected - Ti...up table 64K*4) +1(+2) RA0-3 ACC PORT RB ALU PORT RC RC0-3 RB0-3 PC Central Control Uni...
Description	4 BIT MICROCONTROLLER
File Size	236.74K / 47 Page	View it Online	Download Datasheet

				Winbond
Part No.	W541C480 W541E
OCR Text	...Two built-in 8-bit programmable countdown timers - Timer 0: one of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected - Ti...up to 1 S instruction cycle (with 4 MHz operating frequency) Packaged in 80-pin QFP -4- W541E/...
Description	4BIT MICROCONTROLLER, 4K ×16 ROM, 256 ×4 RAM 128 -DOT LCD 4BIT MICROCONTROLLER, 4K 】16 ROM, 256 】4 RAM 128 -DOT LCD
File Size	179.64K / 13 Page	View it Online	Download Datasheet

				Winbond
Part No.	W742S819
OCR Text	...Two built-in 8-bit programmable countdown timers - Timer 0: one of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected - Ti...up resistors specified by RAM 7FEH(Refer to chapter 6.16.5) Input/Output port. Input/output mode spe...
Description	4-BIT TELEPHONE CONTROLLER
File Size	139.65K / 11 Page	View it Online	Download Datasheet

				Intersil Corporation Intersil, Corp.
Part No.	CD40192BMS CD40193BMS FN3363 CD40192 CD40193
OCR Text	...eaches its minimum count in the countdown mode. Cascading of multiple packages is easily accomplished without the need for additional extern...up inputs, respectively, of the succeeding counter package. The CD40192BMS and CD40193BMS are suppli...
Description	CMOS Presettable up/Down Counters (Dual Clock With Reset) up/Down Counter, Presettable, Dual Clock, Reset, Binary Type, Rad-Hard, CMOS, Logic From old datasheet system CMOS Presettable up/Down Counters (Dual Clock With Reset) 的CMOS可预置上/下计数器（双时钟复位 CMOS Presettable up/Down Counters (Dual Clock With Reset)(CMOS???缃??/????板?锛?甫澶??????堕?锛?
File Size	148.38K / 12 Page	View it Online	Download Datasheet

				Winbond
Part No.	W742S82A
OCR Text	...Two built-in 8-bit programmable countdown timers - Timer 0: one of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected - Ti...up Resistor RES Pull-up Resistor IEL IEH VTDC THD VTO VOL = 0.9V VOH = 2.4V RL = 5K, VDD = 2.5...
Description	4-BIT TELEPHONE CONTROLLER
File Size	188.49K / 12 Page	View it Online	Download Datasheet

				Winbond
Part No.	W541E261 W541C261
OCR Text	...Two built-in 8-bit programmable countdown timers Timer 0: one of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected Timer ...up to 1 S instruction cycle (with 4 MHz operating frequency) Packaged in 80-pin QFP * * * * * ...
Description	4BIT MICROCONTROLLER, 2K ×16 ROM, 128 ×4 RAM 128 -DOT LCD 4BIT MICROCONTROLLER, 2K 】16 ROM, 128 】4 RAM 128 -DOT LCD
File Size	293.40K / 13 Page	View it Online	Download Datasheet

				意法半导
Part No.	M41T82
OCR Text	... . . . . . . . . 37 3.8 8-bit (countdown) timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.8.1 tim...up default values (part 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Description	Serial I2C Bus RTC with Battery Switchover(带电池转换功能的串行I2C总线RTC)
File Size	370.93K / 57 Page	View it Online	Download Datasheet

				Maxim Integrated Products
Part No.	DS17487 DS17485E-3 DS17485E-5 DS17485E3 DS17485E5 DS17887-3 DS17887-3IND DS17887-5 DS17887-5IND DS17885 DS17885-3 DS17885-5 DS17885E-3 DS17885E-5 DS17885E3 DS17885E5 DS17885S-3 DS17885S-5 DS17285 DS17487-3 DS17487-3IND DS17487-5 DS17487-5IND DS17485S-3 DS17485S-5 DS17485SN-5 DS17485SN5 DS17485 DS17885SN-5 DS17885SN5 DS17485-3 DS17485-5 DS17285SN- DS17285SN3 DS17285SN5 DS17287-3 DS17287-5
OCR Text	...disabled in software, or if the countdown chain is in reset, tREC is bypassed, and the part becomes immediately accessible. Note 10: Guarant...up interrupt. Once the system is powered on, the state of PWR can be controlled by bits in the contr...
Description	Real-Time Clocks
File Size	316.77K / 30 Page	View it Online	Download Datasheet

				Dallas
Part No.	DS17285
OCR Text	... is running and the oscillator countdown chain is not in reset (register a). this time period allows the system to stabilize after power is...up/kickstart . the century counter is disc ussed later in this text. table 1. time, calendar, and al...
Description	DS17287 / 3V/5V Real-Time Clock
File Size	413.12K / 38 Page	View it Online	Download Datasheet

For countdown up Found Datasheets File :: 293 Search Time::1.469ms
Page :: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | <13> | 14 | 15 |