Datasheet Details
| Part number | DS1238A |
|---|---|
| Manufacturer | Dallas |
| File Size | 211.42 KB |
| Description | MicroManager |
| Datasheet |
 DS1238A Datasheet
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| Part number | DS1238A |
|---|---|
| Manufacturer | Dallas |
| File Size | 211.42 KB |
| Description | MicroManager |
| Datasheet |
DS1238A Datasheet
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VBAT VCCO VCC GND PF RVT OSCIN OSCSEL IN NMI ST CEO CEI WDS RST RST - +3-Volt Battery Input - Switched SRAM Supply Output - +5-Volt Power Supply Input - Ground - Power-Fail - Reset Voltage Threshold - Oscillator In - Oscillator Select - Early Warning Input - Non-Maskable Interrupt - Strobe Input - Chip Enable Output - Chip Enable Input - Watchdog Status - Reset Output (active low) - Reset Output (active high) DESCRIPTION The DS1238A MicroManager provides all the necessary functions for power supply monitoring, reset control, and memory backup in microprocessor-based systems.
A precise internal voltage reference and comparator circuit monitor power supply status.
When an out-of-tolerance condition occurs, the microprocessor reset and power-fail outputs are forced active, and static RAM control unconditionally write protects ext
DS1238A MicroManager www.dalsemi.com.
| Part Number | Description |
|---|---|
| DS1238 | MicroManager |
| DS1230AB | 256k Nonvolatile SRAM |
| DS1230W | 3.3V 256k Nonvolatile SRAM |
| DS1230Y | 256k Nonvolatile SRAM |
| DS1231 | Power Monitor Chip |
| DS1231S | Power Monitor Chip |
| DS1232 | MicroMonitor Chip |
| DS1232LP | Low Power MicroMonitor Chip |
| DS1232LPS | Low Power MicroMonitor Chip |
| DS1233 | 5V EconoReset |