M48T128Y-70PM1 STMicroelectronics, M48T128Y-70PM1 Datasheet - Page 21

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

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

M48T128Y, M48T128V
8
Part numbering
Table 13.
Example:
Device type
M48T
Supply voltage and write protect voltage
128Y = V
128V
Speed
–70 = 70 ns (128Y)
–85 = 85 ns (128V)
Package
PM = PMDIP32
Temperature range
1 = 0 to 70°C
Shipping method
blank = Ecopack
1. Contact local ST sales office for availability of 3.3 V version.
For other options, or for more information on any aspect of this device, please contact the
ST sales office nearest you.
(1)
= V
CC
CC
= 4.5 to 5.5 V; V
Ordering information scheme
= 3.0 to 3.6 V; V
®
package, tubes
PFD
PFD
= 4.1 to 4.5 V
Doc ID 5746 Rev 6
= 2.7 to 3.0 V
M48T
128Y
–70
PM
Part numbering
1
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