Features
- Low Voltage and Standard-Voltage Operation
- User Selectable Internal Organization, Word or Byte
- 3-wire Serial Interface
- 2MHz Clock Rate
- Self-timed Write Cycle (10mS max)
- High-Reliability, 1 Million Write Cycles, 100 Year Data Retention
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | CS – Chip Select |
| 2 | SK – Serial Data Clock |
| 3 | DI – Serial Data Input |
| 4 | DO – Serial Data Output |
| 5 | GND – Ground |
| 6 | ORG – Internal Organization |
| 7 | NC – Not Connected |
| 8 | Vcc – Positive Power Supply |
Specifications
|
Attribute
|
Value
|
|---|---|
| Memory Size | 2kbit |
| Interface Type | Serial-Microwire |
| Package Type | PDIP |
| Mounting Type | Through Hole |
| Pin Count | 8 |
| Organization | 128 x 16 bit, 256 x 8 bit |
| Minimum Operating Supply Voltage | 4.5 V |
| Maximum Operating Supply Voltage | 5.5 V |
| Programming Voltage | 4.5 → 5.5V |
| Number of Bits per Word | 16/8bit |
| Dimensions | 9.27 x 6.35 x 3.3mm |
| Data Retention | 200yr |
| Maximum Operating Temperature | +85 °C |
| Maximum Random Access Time | 200ns |
| Number of Words | 128256 |
| Minimum Operating Temperature | -40 °C |
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