Product Summary

The m48T08-150pc1 is an 8K x 8 non-volatile static RAM and real time clock which is pin and functional compatible with the DS1643. The m48T08-150pc1 easily fits into many ROM, EPROM,and EEPROM sockets, providing the non-volatility of PROMs without any requirement for special WRITE timing or limitations on the number of WRITEs that can be performed. The m48T08-150pc1 is available in two special packages to provide a highly integrated battery backed-up memory and real time clock solution.

Parametrics

m48T08-150pc1 absolute maximum ratings: (1) Ambient Operating Temperature TA: 0 to 70°C; (2) Storage Temperature (VCC Off, Oscillator Off) TSTG: -40 to 85°C; (3) Lead Solder Temperature for 10 seconds TSLD: 260°C; (4) Input or Output Voltages VIO: -0.3 to 7V; (5) Supply Voltage Vcc: -0.3 to 7V; (6) Output Current Io: 20mA; (7) Power Dissipation PD: 1W.

Features

m48T08-150pc1 features: (1) intergrated ultra low power SRAM, real time clock, power-fail control circuit, and battery; (2) bytewide RAM-like clock access; (3) BCD coded year, month, day, date, hours, minutes, and seconds; (4) typical clock accuracy of ±1 minute a month, at 25°C; (5) automatic power-fail chip deselect and write protection; (6) software controlled clock calibration for high accuracy applications; (7) pin and function compatible with DS1643 and JEDEC standard 8K×8 SRAMs; (8) RoHS compliance.

Diagrams

M48T08-150PC1 logic diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
M48T08-150PC1
M48T08-150PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 150ns

Data Sheet

0-1: $11.95
1-10: $10.86
10-100: $9.23
100-250: $8.42
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
M48T02
M48T02

Other


Data Sheet

Negotiable 
M48T02-150PC1
M48T02-150PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 150ns

Data Sheet

0-1: $6.59
1-10: $6.04
10-100: $5.81
100-250: $5.58
M48T02-200PC1
M48T02-200PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 200ns

Data Sheet

Negotiable 
M48T02-70PC1
M48T02-70PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 70ns

Data Sheet

0-1: $6.59
1-10: $6.04
10-100: $5.81
100-250: $5.58
M48T08
M48T08

Other


Data Sheet

Negotiable 
M48T08-100PC1
M48T08-100PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Data Sheet

0-1: $9.89
1-10: $8.61
10-100: $7.78
100-250: $7.10