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3 V53C318165A Rev. 1.0 January 1998 MOSEL VITELIC V53C318165A Block Diagram A 0 A 1 A8 A9 SENSE AMPLIFIERS REFRESH COUNTER VCC VSS 12 I/O 1 MEMORY ARRAY 1024 x 1024 x 16 COLUMN DECODERS DATA I/O BUS Y0–Y9 1024 x 16 311816500-04 1024 X0– X9 I/O BUFFER I/O2 I/O3 I/O4 OE CLOCK GENERATOR WE CLOCK GENERATOR CAS CLOCK GENERATOR RAS CLOCK GENERATOR OE WE LCAS RAS • • • 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 1024 x 16 Absolute Maximum Ratings* Operating temperature range ..................0 to 70 °C Storage temperature range ............... -55 to 150 °C Soldering temperature ..................................260 °C Soldering time...................................................10 s Input/output voltage .... -0.5 to min (VCC+0.5, 4.6) V Power supply voltage ........................-0.5V to 4.6 V Power dissipation .......................................... 0.5 W Data out current (short circuit) ...................... 50 mA *Note: Operation above Absolute Maximum Ratings can adversely affect device reliability. Capacitance* TA = 25°C, VCC = 3.3 V ± 0.3 V, VSS = 0 V, f = 1 MHz *Note: Capacitance is sampled and not 100% tested. Symbol Parameter Min. Max. Unit CIN1 Address Input — 5 pF CIN2 RAS, UCAS, LCAS, WE, OE — 7 pF COUT Data Input/Output — 7 pF |
