M48T35Y-70MH1E STMicroelectronics, M48T35Y-70MH1E Datasheet - Page 7

• Manufacturer Part Number: M48T35Y-70MH1E
• Description: IC TIMEKPR NVRAM 256KBIT5V 28SOI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T35Y-70MH1E

• Memory Size: 256K (32K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC, 28-SOH (8.48mm Width)
• Function: Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup
• Rtc Memory Size: 32768 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2849-5; M48T35Y-70MH1

M48T35, M48T35Y
Figure 4.
32,768 Hz
CRYSTAL
LITHIUM
Block diagram
CELL
OSCILLATOR AND
VOLTAGE SENSE
CLOCK CHAIN
SWITCHING
CIRCUITRY
AND
V CC
Doc ID 2611 Rev 9
POWER
V PFD
SRAM ARRAY
SRAM ARRAY
8 x 8 BiPORT
32,760 x 8
V SS
A0-A14
DQ0-DQ7
E
W
G
Description
AI01623
7/28