STMicroelectronics M48T37Y
256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
| Part No. | M48T37Y |
|---|---|
| Datasheet | M48T37Y Download |
| Manufacturer |  STMicroelectronics |
| Description | 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM |
| Buy | Stock & Price |
FEATURES
● Integrated ultra low power SRAM, real-time clock, power-fail control circuit, and battery● Frequency test output for real-time clock software calibration
● Automatic power-fail chip deselect and WRITE protection
● Watchdog timer
● WRITE protect voltage (VPFD = Power-fail deselect voltage): – M48T37Y: VCC = 4.5 to 5.5 V 4.2 V ≤ VPFD ≤ 4.5 V – M48T37V: VCC = 3.0 to 3.6 V 2.7 V ≤ VPFD ≤ 3.0 V
● Packaging includes a 44-lead SOIC and SNAPHAT® top (to be ordered separately)
● SOIC package provides direct connection for a SNAPHAT® top which contains the battery and crystal
● Microprocessor power-on reset (valid even during battery backup mode)
● Programmable alarm output active in the battery backup mode
● Battery low flag
● RoHS compliant – Lead-free second level interconnect SNAPHAT® (SH) Battery/crystal 44 1 SOH44 (MH) 44-pin SOIC August 2010 Doc ID 7019 Rev 9 1/30
