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1 / 9 page Revision 2.1 Jan. 2004 1 R0201- STC62WV51216 Very Low Power/Voltage CMOS SRAM 512K X 16 bit (Single CE Pin) The STC62WV51216 is a high performance, very low power CMOS Static Random Access Memory organized as 524,288 words by 16 bits and operates from a wide range of 2.4V to 5.5V supply voltage. Advanced CMOS technology and circuit techniques provide both high speed and low power features with a typical CMOS standby current of 1.5uA at 3V/25oC and maximum access time of 55ns at 3.0V/85oC. Easy memory expansion is provided by an active LOW chip enable (CE) ,active LOW output enable(OE) and three-state output drivers. The STC62WV51216 has an automatic power down feature, reducing the power consumption significantly when chip is deselected. The STC62WV51216 is available in 48B BGA and 44L TSOP2 packages. DESCRIPTION FEATURES BLOCK DIAGRAM PRODUCT FAMILY PIN CONFIGURATIONS STC International Limited. reserves the right to modify document contents without notice. STC62WV51216 1 5 LB OE A0 A1 A2 NC D8 UB A3 A4 CE D0 D9 D10 A5 A6 D1 D2 V SS D11 A17 A7 D3 VCC V CC D12 A16 D4 V SS D14 D13 A 14 A 5 D5 D6 D15 NC . A12 A13 WE D7 A8 A 8 A9 A10 A 11 NC 1 A B C D E F G H 1 23 4 6 VSS • Wide Vcc operation voltage : 2.4~5.5V • Very low power consumption : Vcc = 3.0V C-grade: 30mA (@55ns) operating current I -grade: 31mA (@55ns) operating current C-grade: 24mA (@70ns) operating current I -grade: 25mA (@70ns) operating current 1.5uA (Typ.) CMOS standby current Vcc = 5.0V C-grade: 75mA (@55ns) operating current I -grade: 76mA (@55ns) operating current C-grade: 60mA (@70ns) operating current I -grade: 61mA (@70ns) operating current 8.0uA (Typ.) CMOS standby current • High speed access time : -55 55ns -70 70ns • Automatic power down when chip is deselected • Three state outputs and TTL compatible Row Decoder Memory Array 2048 x 4096 Column I/O Write Driver Sense Amp Column Decoder Data Buffer Output A9 A8 A7 Data Buffer Input Control Vss Vcc OE WE CE D15 D0 A0 A13 A14 A15 A1 A2 16 16 16 16 16 256 4096 2048 22 A17 A16 A10 A12 A6 A11 A3 Address Input Buffer A5 Address Input Buffer . . . . UB . . . . LB A4 A18 48-Ball CSP top View STC • Fully static operation • Data retention supply voltage as low as 1.5V • Easy expansion with CE and OE options • I/O Configuration x8/x16 selectable by LB and UB pin POWER DISSIPATION SPEED ( ns ) STANDBY ( ICCSB1, Max ) Operating ( ICC , Max ) PRODUCT FAMILY OPERATING TEMPERATURE Vcc RANGE Vcc=3V Vcc=5V Vcc=3V Vcc=5V PKG TYPE STC62WV51216EC TSOP2-44 STC62WV51216FC +0 OC to +70OC 2.4V ~ 5.5V 55 / 70 5uA 55uA 24mA 60mA BGA-48-0912 STC62WV51216EI TSOP2-44 STC62WV51216FI -40OC to +85OC 2.4V ~ 5.5V 55 / 70 10uA 110uA 25mA 61mA BGA-48-0912 70ns 70ns 55ns : 3.0~5.5V 70ns : 2.7~5.5V A4 A3 A2 A1 A0 CE DQ0 DQ1 DQ2 DQ3 Vcc Vss DQ4 DQ5 DQ6 DQ7 WE A18 A17 A16 A15 A14 A5 A6 A7 OE UB LB DQ15 DQ14 DQ13 DQ12 Vss Vcc DQ11 DQ10 DQ9 DQ8 A8 A9 A10 A11 A12 A13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 STC62WV51216EC STC62WV51216EI |
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