Atmel Corporation AT29C256-90TCT/R Mfr Package Description: PLASTIC, TSOP-28 Technology: CMOS Package Shape: RECTANGULAR Package Style: SMALL OUTLINE, THIN PROFILE Surface Mount: Yes Terminal Form: GULL WING Terminal Pitch: 0.5500 mm Terminal Finish: TIN LEAD Terminal Position: DUAL Number of Functions: 1 Number of Terminals: 28 Package Body Material: PLASTIC/EPOXY Temperature Grade: COMMERCIAL Memory Width: 8 Organization: 32K X 8 Memory Density: 262144 deg Operating Mode: ASYNCHRONOUS Number of Words: 32768 words Number of Words Code: 32K Operating Temperature-Max: 70 Cel Operating Temperature-Min: 0.0 Cel Supply Voltage-Max (Vsup): 5.5 V Supply Voltage-Min (Vsup): 4.5 V Supply Voltage-Nom (Vsup): 5 V Memory IC Type: FLASH 5V PROM Parallel/Serial: PARALLEL Access Time-Max (tACC): 90 ns