M48T12-70PC1 STMicroelectronics, M48T12-70PC1 Datasheet - Page 2

IC TIMEKPR NVRAM 16KBIT 5V 24-DI

M48T12-70PC1

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

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M48T12-70PC1
Manufacturer:
LTC
Quantity:
242
Part Number:
M48T12-70PC1
Manufacturer:
DS
Quantity:
9
Part Number:
M48T12-70PC1
Manufacturer:
ST
Quantity:
1
Part Number:
M48T12-70PC1
Manufacturer:
ST
0
Contents
Contents
1
2
3
4
5
6
7
8
9
2/25
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operation modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1
2.2
2.3
Clock operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1
3.2
3.3
3.4
3.5
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Environmental information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Setting the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
READ mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
WRITE mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Data retention mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Reading the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Stopping and starting the oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Calibrating the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
V
CC
noise and negative going transients . . . . . . . . . . . . . . . . . . . . . . . . . 16
Doc ID 2410 Rev 8
M48T02, M48T12

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