 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
DS2251T Datasheet(PDF) 10 Page - Dallas Semiconductor |
|
||||||||||||||||||||||||||||||
DS2251T Datasheet(HTML) 10 Page - Dallas Semiconductor |
|
|
10 / 22 page  DS2251T 10 of 22 DC CHARACTERISTICS (continued) (VCC = 5V ±10%, TA = 0˚C to +70˚C.) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Idle Mode Current at 12MHz IIDLE 7.0 mA 3 Stop Mode Current ISTOP 80 µA 4 Pin Capacitance CIN 10 pF 5 With BAT = 3.0V 4.0 4.25 Reset Trip Point in Stop Mode With BAT = 3.3V 4.4 4.65 V 1 AC CHARACTERISTICS—EXPANDED BUS MODE TIMING SPECIFICATIONS (VCC = 5V ±10%, TA = 0˚C to +70˚C.) # PARAMETER SYMBOL MIN MAX UNITS 1 Oscillator Frequency 1/tCLK 1.0 16 (-16) MHz 2 ALE Pulse Width tALPW 2tCLK - 40 ns 3 Address Valid to ALE Low tAVALL tCLK - 40 ns 4 Address Hold After ALE Low tAVAAV tCLK - 35 ns At 12MHz 4tCLK - 150 5 ALE Low to Valid Instruction In At 16MHz tALLVI 4tCLK - 90 ns 6 ALE Low to PSEN Low tALLPSL tCLK - 25 ns 7 PSEN Pulse Width tPSPW 3tCLK - 35 ns At 12MHz 3tCLK - 150 8 PSEN Low to Valid Instruction In At 16MHz tPSLVI 3tCLK - 90 ns 9 Input Instr. Hold after PSEN Going High tPSIV 0 ns 10 Input Instr. Float after PSEN Going High tPSIX tCLK - 20 ns 11 Address Hold after PSEN Going High tPSAV tCLK - 8 ns At 12MHz 5tCLK - 150 12 Address Valid to Valid Instruction In At 16MHz tAVVI 5tCLK - 90 ns 13 PSEN Low to Address Float tPSLAZ 0 ns 14 RD Pulse Width tRDPW 6tCLK - 100 ns 15 WR Pulse Width tWRPW 6tCLK - 100 ns At 12MHz 5tCLK - 165 16 RD Low to Valid Data In At 16MHz tRDLDV 5tCLK - 105 ns 17 Data Hold after RD High tRDHDV 0 ns 18 Data Float after RD High tRDHDZ 2tCLK - 70 ns 19 ALE Low to Valid Data In At 12MHz tALLVD 8CLK - 150 ns |
Similar Part No. - DS2251T |
|
Similar Description - DS2251T |
|
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
