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M68Z128

Part Number	M68Z128
Manufacturer	ST Microelectronics
Description	5V / 1 Mbit 128Kb x8 Low Power SRAM with Output Enable
Published	May 6, 2005
Detailed Description	M68Z128 5V, 1 Mbit (128Kb x8) Low Power SRAM with Output Enable s ULTRA LOW DATA RETENTION CURRENT – 10nA (typical) – 2...
Datasheet	M68Z128 PDF File

Overview

M68Z128 5V, 1 Mbit (128Kb x8) Low Power SRAM with Output Enable s ULTRA LOW DATA RETENTION CURRENT – 10nA (typical) – 2.
0µA (max) s s OPERATION VOLTAGE: 5V ±10% 128Kb x 8 VERY FAST SRAM with OUTPUT ENABLE EQUAL CYCLE and ACCESS TIMES: 55ns LOW VCC DATA RETENTION: 2V TRI-STATE COMMON I/O LOW ACTIVE and STANDBY POWER AUTOMATIC POWER-DOWN WHEN DESELECTED INTENDED FOR USE WITH ST ZEROPOWER® AND TIMEKEEPER ® CONTROLLERS Figure 1.
Logic Diagram TSOP32 (N) 8 x 20mm s s s s s s DESCRIPTION The M68Z128 is a 1 Mbit (1,048,576 bit) CMOS SRAM, organized as 131,072 words by 8 bits.
The device features fully static operation requiring no external clocks or timing strobes, with equal address access and cycle times.
It requires a single 5V ±10% supply, and all inputs and outputs are TTL compatible.
A0-A16 VCC 17 8 DQ0-DQ7 Table 1.
Signal Names A0-A16 DQ0-DQ7 E1 E2 G W VCC VSS NC March 2000 Address Inputs Data Input/Output Chip Enable 1 Chip Enable 2 Output Enable Write Enable Supply Voltage Ground Not Connected Internally 1/12 W E1 E2 G M68Z128 VSS AI00647 M68Z128 Table 2.
Absolute Maximum Ratings (1) Symbol TA TSTG VIO (2) VCC IO (3) PD Parameter Ambient Operating Temperature Storage Temperature Input or Output Voltage Supply Voltage Output Current Power Dissipation Value 0 to 70 –65 to 150 –0.
3 to VCC + 0.
3 –0.
3 to 7.
0 20 1 Unit °C °C V V mA W Note: 1.
Except for the rating "Operating Temperature Range", stresses above those listed in the Table "Absolute Maximum Ratings" may cause permanent damage to the device.
These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied.
Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability.
Refer also to the STMicroelectronics SURE Program and other relevant quality documents.
2.
Up to a maximum operating VCC of 5.
5V only.
3.
One output at a time, not to exceed 1 second dur...

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