Product Summary

The CAT28F020T-90 is a high speed 256K x 8-bit electrically erasable and reprogrammable Flash memory ideally suited for applications requiring in-system or after-sale code updates. Electrical erasure of the full memory contents is achieved typically within 0.5 second.



Parametrics

CAT28F020T-90 absolute maximum ratings: (1)Temperature Under Bias: –55°C to +95°C; (2)Storage Temperature: –65°C to +150°C; (3)Voltage on Any Pin with Respect to Ground (1): –2.0V to +VCC + 2.0V; (4)Voltage on Pin A9 with Respect to Ground (1): –2.0V to +13.5V; (5)VPP with Respect to Ground during Program/Erase (1): –2.0V to +14.0V; (6)VCC with Respect to Ground (1): –2.0V to +7.0V; (7)Package Power Dissipation Capability (TA = 25°C): 1.0 W; (8)Lead Soldering Temperature (10 secs): 300°C; (9)Output Short Circuit Current (2): 100 mA.

Features

CAT28F020T-90 features: (1)Fast Read Access Time: 70/90/120 ns; (2)Low Power CMOS Dissipation: Active: 30 mA max (CMOS/TTL levels); Standby: 1 mA max (TTL levels); Standby: 100 µA max (CMOS levels).; (3)High Speed Programming: 10 µs per byte; 4 Seconds Typical Chip Program; (4)0.5 Seconds Typical Chip-Erase; (5)12.0V ± 5% Programming and Erase Voltage; (6)Commercial, Industrial and Automotive Temperature Ranges; (7)Stop Timer for Program/Erase; (8)On-Chip Address and Data Latches; (9)JEDEC Standard Pinouts: 32-pin DIP; 32-pin PLCC; 32-pin TSOP (8 x 20).; (10)100,000 Program/Erase Cycles; (11)10 Year Data Retention; (12)Electronic Signature.

Diagrams

CAT28F020T-90 pin connection

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