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3 V53C16258L Rev. 1.1 June 1999 MOSEL VITELIC V53C16258L Absolute Maximum Ratings* Ambient Temperature Under Bias ..................................... –10 °C to +80°C Storage Temperature (plastic) ..... –55 °C to +125°C Voltage Relative to VSS .................–1.0 V to +4.6 V Data Output Current ..................................... 50 mA Power Dissipation .......................................... 1.0 W *Note: Operation above Absolute Maximum Ratings can adversely affect device reliability. Capacitance* TA = 25°C, VCC = 3.3 V ± 0.3V, VSS = 0 V * Note: Capacitance is sampled and not 100% tested Symbol Parameter Typ. Max. Unit CIN1 Address Input 3 4 pF CIN2 RAS, CAS, WE, OE 4 5 pF COUT Data Input/Output 5 7 pF Block Diagram A0 A1 A7 A8 SENSE AMPLIFIERS REFRESH COUNTER VCC VSS 9 I/O 1 X0 -X 512 MEMORY ARRAY 512 x 512 x 16 COLUMN DECODERS DATA I/O BUS Y0 -Y8 512 x 16 I/O BUFFER 16258L-04 I/O2 I/O3 I/O4 OE CLOCK GENERATOR WE CLOCK GENERATOR CAS CLOCK GENERATOR RAS CLOCK GENERATOR OE WE LCAS RAS • • • 8 I/O 5 I/O6 I/O7 I/O8 I/O 9 I/O10 I/O11 I/O12 I/O 13 I/O14 I/O15 I/O16 UCAS 256K x 16 |
