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The M48T58Y-70PC1 is an 8 Kb x 8 non-volatile static RAM and real-time clock. The monolithic chip is available in two special packages to provide a highly integrated battery-backed memory and real-time clock solution.
Integrated, ultra-low power SRAM, real-time clock, power-fail control circuit and battery
BYTEWIDE™ RAM-like clock access
BCD-coded year, month, day, date, hours, minutes, and seconds
Frequency test output for real-time clock
Automatic power-fail chip deselect and WRITE protection
WRITE protect voltages (VPFD = power-fail deselect voltage):
– M48T58: VCC = 4.75 to 5.5 V;
4.5 V ≤ VPFD ≤ 4.75 V
– M48T58Y: VCC = 4.5 to 5.5 V;
4.2 V ≤ VPFD ≤ 4.5 V
Self-contained battery and crystal in the
CAPHAT™ DIP package
Packaging includes a 28-lead SOIC and NAPHAT® top (to be ordered separately)
SOIC package provides a direct connection for Snapchat housing containing the battery and crystal
Pin and function compatible with JEDEC standard 8 Kb x 8 SRAMs
RoHS compliant
– Lead-free second-level interconnect
Industrial
Factory Lead Time | 25 Weeks |
Mount | Through Hole |
Mounting Type | Through Hole |
Package / Case | 28-DIP Module (0.600, 15.24mm) |
Number of Pins | 28 |
Weight | 4.190003g |
Operating Temperature | 0°C~70°C |
Packaging | Tube |
Series | Timekeeper® |
JESD-609 Code | e3 |
Feature | Leap Year |
Part Status | Active |
Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Number of Terminations | 28 |
ECCN Code | EAR99 |
Type | Clock/Calendar |
Terminal Finish | Matte Tin (Sn) - annealed |
HTS Code | 8542.39.00.01 |
Voltage - Supply | 4.5V~5.5V |
Terminal Position | DUAL |
Supply Voltage | 5V |
Terminal Pitch | 2.54mm |
Frequency | 70GHz |
Base Part Number | M48T58 |
Pin Count | 28 |
Operating Supply Voltage | 5V |
Interface | Parallel |
Memory Size | 8kB |
Supply Current-Max | 50mA |
Access Time | 70 ns |
Logic Function | Clock |
RAM (words) | 8184 |
Time Format | HH:MM:SS (24 hr) |
Date Format | YY-MM-DD-dd |
Current - Timekeeping (Max) | 3mA @ 4.5V~5.5V |
Time-Min | SECONDS |
Interrupt Capability | N |
Volatile | NO |
Height | 8.89mm |
Length | 39.88mm |
Width | 18.34mm |
REACH SVHC | No SVHC |
Radiation Hardening | No |
RoHS Status | ROHS3 Compliant |
Lead Free | Lead Free |