M48Z09
DESCRIPTION
The M48Z09,19 ZEROPOWER® RAM is an 8K x 8 non-volatile static RAM which is pin and function patible with the MK48Z09,19. A special 28 pin 600mil DIP CAPHAT™ package houses the M48Z09,19 silicon with a long life lithium button cell to form a highly integrated battery backed-up memory solution. Table 1. Signal Names
E1
A0-A12 DQ0-DQ7 INT E1 E2 G W VCC VSS November 1994 Address Inputs Data Inputs / Outputs Power Fail Interrupt Chip Enable 1 Chip Enable 2 Output Enable Write Enable Supply Voltage Ground 1/13
28 1
PCDIP28 (PC) Battery CAPHAT
Figure 1. Logic Diagram
13 A0-A12
8 DQ0-DQ7
W M48Z09 M48Z19 INT
E2 G
AI01184
M48Z09, M48Z19
Table 2. Absolute Maximum Ratings
Symbol TA TSTG VIO VCC IO PD Parameter Ambient Operating Temperature Storage Temperature (VCC Off) Input or Output Voltages Supply Voltage Output Current Power Dissipation Value 0 to 70
- 40 to 85
- 0.3 to 7
- 0.3 to 7 20 1 Unit °C °C V V m A W
Note: Stresses greater than those listed under "Absolute...