DS1248Y-120

1024K NV SRAM with Phantom Clock

Real time clock keeps track of hundredths of seconds,

minutes, hours, days, date of the month, mounths,

and years

128K x 8 NV SRAM directly replaces volatile static

RAM or EEPROM

Embedded lithium energy cell maintains calendar

operation and retains RAM data

Watch function is transparent to RAM operation

Month and year determine the number of days in each

month ; volid up to 2100

Lithium energy sources is electrically disconnected to retain

freshness until power is applied the first time

Standard 28-pin JEDEC pinout

Full 10% operating range

Operating temperature range 0u00c2u00b0C to 70u00c2u00b0C

Accuracy is better than +/-1 minute/month @ 25u00c2u00b0C

Over 10 years of data retention in the absence of power

Available in 120, 150, 200 ns access time

Semiconductors High Power Equipment Repair