M48T12-70PC1 STMicroelectronics, M48T12-70PC1 Datasheet - Page 11

• Manufacturer Part Number: M48T12-70PC1
• Description: IC TIMEKPR NVRAM 16KBIT 5V 24-DI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T12-70PC1

• Memory Size: 16K (2K 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: Through Hole
• Package / Case: 24-DIP (600 mil) Module
• Function: Clock/Calendar/NV Timekeeping RAM/Battery Backup
• Rtc Memory Size: 2048 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: Through Hole
• Rtc Bus Interface: Parallel
• Clock Format: HH
• Clock Ic Type: Timekeeper
• Memory Configuration: 2K X 8
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: PCDIP
• No. Of Pins: 24
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2833-5

M48T02, M48T12
Figure 7.
Checking the BOK flag status
Doc ID 2410 Rev 8
(BATTERY OK)
COMPLEMENT BACK
TO SAME ADDRESS
AT ANY ADDRESS
ADDRESS AGAIN
WRITE ORIGINAL
SAME ADDRESS
DATA BACK TO
COMPLEMENT
WRITE DATA
POWER-UP
READ DATA
READ DATA
CONTINUE
AT SAME
OF FIRST
IS DATA
READ?
YES
NO
OF LOW BATTERY
(BATTERY LOW)
NOTIFY SYSTEM
CORRUPTED)
(DATA MAY BE
Operation modes
AI00607
11/25