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M48T37Y-70MH1F

5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM

Supply Voltage Min Volt4.5
Supply Voltage Max Volt5.5
Operating Temp Min Celsius0.0
Operating Temp Max Celsius70.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameSOH44

The M48T37Y/V TIMEKEEPER®RAM is a 32 Kb x 8 non-volatile static RAM and real-time clock. The monolithic chip is available in a special package which provides a highly integrated battery-backed memory and real-time clock solution.The 44-lead, 330 mil SOIC package provides sockets with gold-plated...
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Key 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
In stock
Quantity $ per unit Savings
1-500$19.660%
Contact sales
$19.66
$19.66
Supply Voltage Min Volt4.5
Supply Voltage Max Volt5.5
Operating Temp Min Celsius0.0
Operating Temp Max Celsius70.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameSOH44

The M48T37Y/V TIMEKEEPER®RAM is a 32 Kb x 8 non-volatile static RAM and real-time clock. The monolithic chip is available in a special package which provides a highly integrated battery-backed memory and real-time clock solution.The 44-lead, 330 mil SOIC package provides sockets with gold-plated...
Read More

Key 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