|
|
![](images/bg04.gif) |
ST Microelectronics
|
Part No. |
M48T251V
|
OCR Text |
phantom
FEATURES SUMMARY s 5.0V OR 3.3V OPERATING VOLTAGE
s
Figure 1. 32-pin, DIP Package
REAL TIME CLOCK KEEPS TRACK OF TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAYS, DATE OF THE MONTH, MONTHS, and YEARS AUTOMATIC LEA... |
Description |
5.0 or 3.3V / 4096K TIMEKEEPER SRAM with phantom
|
File Size |
153.59K /
24 Page |
View
it Online |
Download Datasheet
|
|
|
![](images/bg04.gif) |
DALLAS[Dallas Semiconductor]
|
Part No. |
DS1244Y-150 DS1244Y-200 DS1244Y DS1244Y-120
|
OCR Text |
phantom Clock
FEATURES
PIN ASSIGNMENT
A14/RST A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC WE A13 A8 A9 A11 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3
* Real time cl... |
Description |
256K NV SRAM with phantom Clock
|
File Size |
90.34K /
12 Page |
View
it Online |
Download Datasheet
|
|
![](images/findchips_sm.gif)
Price and Availability
|