M48T35Y-70PC1 Timekeeper RTC Non Volatile SRAM IC (256Kbit, PCDIP 28)
The M48T35Y-70PC1 is a TIMEKEEPER non volatile SRAM and real time clock IC from STMicroelectronics. It combines 256Kbit SRAM, RTC, calendar, power fail control and battery backed data retention for industrial and embedded systems.
Key Features -
• Integrated real time clock and calendar
• 256Kbit non volatile SRAM
• Memory organization of 32K x 8
• Battery backed memory and timekeeping
• Automatic power fail detection
• Automatic chip deselect and write protection during power failure
• 70ns access time
• Parallel interface
• BCD coded clock and calendar data
• JEDEC compatible SRAM functionality
• PCDIP 28 through hole package
Specifications -
• Part Number: M48T35Y-70PC1
• Manufacturer: STMicroelectronics
• Series: TIMEKEEPER
• Component Type: RTC with Non Volatile SRAM
• Memory Capacity: 256Kbit
• Memory Organization: 32K x 8
• Access Time: 70ns
• Supply Voltage: 4.5V to 5.5V
• Data Width: 8 Bit
• Interface Type: Parallel
• Time Format: 24 Hour
• RTC Function: Yes
• Calendar Function: Yes
• Package Type: PCDIP 28
• Number of Pins: 28
• Mounting Type: Through Hole
Applications -
• Industrial control systems
• PLC equipment
• CNC machines
• Embedded systems
• Real time clock applications
• Configuration and parameter storage
• Process control equipment
• Instrumentation systems
• Legacy computer systems
• Industrial equipment repair