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MFG:140 Package Cooled:ST
Part Number: M40Z300W
MFG: 140
Package Cooled: ST
Description: The M40Z300/W NVRAM Controller is a self-contained device which converts a standard low-power SRAM int...
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M40Z300W
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DataSheet
General Description
M40Z300W General Description
The M40Z300/W NVRAM Controller is a self-contained device which converts a standard low-power SRAM into a non-volatile memory. A precision voltage reference and comparator monitors the VCC input for an out-of-tolerance condition.
M40Z300W Maximum Ratings
|
Symbol |
Parameter |
Value |
Unit | |
|
TA |
Ambient Operating Temperature |
0 to 70 |
||
|
TSTG |
Storage Temperature (VCC Off) | SNAPHAT SOIC |
40 to 85 55 to 125 |
|
|
VIO |
Input or Output Voltages |
0.3 to VCC +0.3 |
V | |
|
VCC |
Supply Voltage | M40Z300 M40Z300W |
0.3 to 7 0.3 to 4.6 |
V |
|
IO |
Output Current |
20 |
mA | |
|
PD |
Power Dissipation |
1 |
W | |
Note: 1. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to the absolute maximum rating conditions for extended periods of time may affect reliability.
CAUTION: Negative undershoots below 0.3V are not allowed on any pin while in the Battery Back-up mode.
CAUTION: Do NOT wave solder SOIC to avoid damaging SNAPHAT sockets.
M40Z300W Features
` CONVERT LOW POWER SRAMs into NVRAMs
` PRECISION POWER MONITORING and POWER SWITCHING CIRCUITRY
`AUTOMATIC WRITE-PROTECTION when VCC is OUT-OF-TOLERANCE
` TWO INPUT DECODER ALLOWS CONTROL for up to 8 SRAMs (with 2 devices active in parallel)
` CHOICE of SUPPLY VOLTAGES and POWER-FAIL DESELECT VOLTAGES:
M40Z300: VCC = 4.5V to 5.5V
THS = VSS 4.5V VPFD 4.75V
THS = VOUT 4.2V VPFD 4.5V
M40Z300W: VCC = 3.0V to 3.6V
THS = VSS 2.8V VPFD 3.0V
VCC = 2.7V to 3.3V
THS = VOUT 2.5 VPFD 2.7V
` RESET OUTPUT (RST) for POWER ON RESET
` LESS THAN 12ns CHIP ENABLE ACCESS
PROPAGATION DELAY (for 5.0V device)
` PACKAGING INCLUDES a 28-LEAD SOIC and SNAPHAT® TOP, or a 16-LEAD SOIC (to be Ordered Separately)
` SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP which CONTAINS the BATTERY
` BATTERY LOW PIN (BL)
` PRECISION POWER MONITORING and POWER SWITCHING CIRCUITRY
`AUTOMATIC WRITE-PROTECTION when VCC is OUT-OF-TOLERANCE
` TWO INPUT DECODER ALLOWS CONTROL for up to 8 SRAMs (with 2 devices active in parallel)
` CHOICE of SUPPLY VOLTAGES and POWER-FAIL DESELECT VOLTAGES:
M40Z300: VCC = 4.5V to 5.5V
THS = VSS 4.5V VPFD 4.75V
THS = VOUT 4.2V VPFD 4.5V
M40Z300W: VCC = 3.0V to 3.6V
THS = VSS 2.8V VPFD 3.0V
VCC = 2.7V to 3.3V
THS = VOUT 2.5 VPFD 2.7V
` RESET OUTPUT (RST) for POWER ON RESET
` LESS THAN 12ns CHIP ENABLE ACCESS
PROPAGATION DELAY (for 5.0V device)
` PACKAGING INCLUDES a 28-LEAD SOIC and SNAPHAT® TOP, or a 16-LEAD SOIC (to be Ordered Separately)
` SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP which CONTAINS the BATTERY
` BATTERY LOW PIN (BL)
M40Z300W Connection Diagram
M40Z300W
PDF/DataSheet Download
- Datasheet: M40Z300W
- File Size: 131665 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
- Click here to Download
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