M48T128Y-70PM1 STMicroelectronics, M48T128Y-70PM1 Datasheet - Page 2

IC TIMEKPR NVRAM 1MBIT 5V 32-DIP

M48T128Y-70PM1

Manufacturer Part Number
M48T128Y-70PM1
Description
IC TIMEKPR NVRAM 1MBIT 5V 32-DIP
Manufacturer
STMicroelectronics
Series
Timekeeper®r
Type
Clock/Calendar/NVSRAMr
Datasheet

Specifications of M48T128Y-70PM1

Memory Size
1M (128K 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
32-DIP (600 mil) Module
Function
Clock, Calendar, NV Timekeeping RAM, Battery Backup
Rtc Memory Size
1 MB
Supply Voltage (max)
4.5 V to 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2834-5

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M48T128Y-70PM1
Manufacturer:
ST
0
Contents
Contents
1
2
3
4
5
6
7
8
9
2/23
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operation modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1
2.2
2.3
Clock operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.1
3.2
3.3
3.4
3.5
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Environmental information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Setting the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
READ mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
WRITE mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Data retention mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Reading the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Stopping and starting the oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Calibrating the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
V
CC
noise and negative going transients . . . . . . . . . . . . . . . . . . . . . . . . . 14
Doc ID 5746 Rev 6
M48T128Y, M48T128V

Related parts for M48T128Y-70PM1