Datasheet Details
| Part number | DS1222 |
|---|---|
| Manufacturer | Dallas |
| File Size | 46.61 KB |
| Description | BankSwitch Chip |
| Datasheet | DS1222_Dallas.pdf |
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Overview: DS1222 BankSwitch Chip www.dalsemi.com.
| Part number | DS1222 |
|---|---|
| Manufacturer | Dallas |
| File Size | 46.61 KB |
| Description | BankSwitch Chip |
| Datasheet | DS1222_Dallas.pdf |
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AW-AZ CEI CEO NC BS1,BS2, BS3,BS4 PFI VCC GND - Address Inputs - Chip Enable Input - Chip Enable Output - No Connection - Bank Select Outputs - Bank Select Outputs - Power Fail Input - +5 Volts - Ground DESCRIPTION The DS1222 BankSwitch Chip is a CMOS circuit designed to select one of 16 memory banks under software control.
Memory bank switching allows for an increase in memory capacity without additional address lines.
Continuous blocks of memory are enabled by selecting proper memory bank through a pattern recognition sequence on four address inputs.
| Part Number | Description |
|---|---|
| DS1221 | Nonvolatile Controller x 4 Chip |
| 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 |