| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| CAT28C256HT13-12T | 32K parallel EEPROM 120ns | distributor | TSOP | 28 | 0°C | 70°C | 75 K |
| CAT28C256HT13-15T | 32K parallel EEPROM 150ns | distributor | TSOP | 28 | 0°C | 70°C | 75 K |
| CAT28C256HT13A-12T | 32K parallel EEPROM 120ns | distributor | TSOP | 28 | -40°C | 105°C | 75 K |
| CAT28C256HT13A-15T | 32K parallel EEPROM 150ns | distributor | TSOP | 28 | -40°C | 105°C | 75 K |
| CAT28C257HT13A-12T | 256K CMOS parallel EEPROM 120ns | distributor | TSOP | 28 | -40°C | 105°C | 75 K |
| CAT28C257HT13A-12T | 256K CMOS parallel EEPROM 120ns | distributor | TSOP | 28 | -40°C | 105°C | 75 K |
| CAT28C257HT13A-15T | 256K CMOS parallel EEPROM 150ns | distributor | TSOP | 28 | -40°C | 105°C | 75 K |
| HT1330 | 3 1/2 digit timer + watch | Holtek-Semiconductor-Inc- | QFP | 48 | 0°C | 70°C | 98 K |
| HT1350 | Step counter | Holtek-Semiconductor-Inc- | PAD | 32 | 0°C | 70°C | 83 K |
| HT1380 | Serial timekeeper chip | Holtek-Semiconductor-Inc- | DIP | 8 | 0°C | 70°C | 183 K |
| HT1381 | Serial timekeeper chip | Holtek-Semiconductor-Inc- | SOP | 8 | 0°C | 70°C | 183 K |
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