Parameters |
Mfr |
National Semiconductor |
Series |
4721B |
Package |
Bulk |
Product Status |
Active |
Memory Type |
Volatile |
Memory Format |
RAM |
Technology |
RAM |
Memory Size |
1Kbit |
Memory Organization |
256 x 4 |
Memory Interface |
Parallel |
Write Cycle Time - Word, Page |
- |
Voltage - Supply |
4.5V ~ 5.5V |
Operating Temperature |
0°C ~ 70°C (TA) |
Mounting Type |
Through Hole |
Package / Case |
22-CDIP |
Supplier Device Package |
22-CDIP |
RoHS Status |
RoHS non-compliant |
Moisture Sensitivity Level (MSL) |
2A (4 Weeks) |
REACH Status |
REACH Unaffected |
ECCN |
EAR99 |
HTSUS |
8542.32.0071 |
Standard Package |
1 |
RAM Memory IC 1Kbit Parallel 22-CDIP