PDF AS8SLC512K32PECA Data sheet ( Hoja de datos )

Número de pieza	AS8SLC512K32PECA
Descripción	High Speed Static RAM
Fabricantes	Micross Components
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No Preview Available ! iPEM 16 Mb ASYNC SRAM AS8SLC512K32PECA 16Mb, 512Kx32 CMOS 3.3V, High Speed Static RAM Integrated Plastic Encapsulated Microcircuit FEATURES Integrated Real-Time Memory Array Solution No latency or refresh fycles Parallel Read/Write Interface User Conﬁgurable via multiple enables Random Access Memory Array Fast Access Times: 12, 15, 20, and 25ns TTL Compatible I/O Fully Static, No Clocks Surface Mount Package 68 Lead PLCC, No. 99 JEDEC M0-47AE Small Footprint, 0.990 Sq. In. Multiple Ground Pins for Maximum Noise Immunity Single 3.3V (±10%) Supply Operation DESCRIPTION The AS8SLC512K32 is a high speed, 3.3V, 16Mb SRAM. The device is available with access times of 12, 15, 20 and 25ns creating a zero wait state/latency, real-time memory solution. The high speed, 3.3V supply voltage and control lines,make the device ideal for all your real-time computer memory requirements. The device can be conﬁgured as a 512K x 32 and used to create a single chip external data /program memory array solution or via use of the individual chip enable lines, be reconﬁgured as a 1M x 16 or 2M x 8. The device provides a 50+% space savings when compared to four 512K x 8, 36 pin SOJs. In addition the AS8SLC512K32 has only a 24pF load on the Addr. lines vs. ~40pF for four plastic SOJs. PIN CONFIGURATIONS AND BLOCK DIAGRAM (PECA Package) DQ17 10 DQ18 11 DQ19 12 Vss 13 DQ20 14 DQ21 15 DQ22 16 DQ23 17 Vcc 18 DQ24 19 DQ25 20 DQ26 21 DQ27 22 Vss 23 DQ28 24 DQ29 25 DQ30 26 60 DQ14 59 DQ13 58 DQ12 57 Vss 56 DQ11 55 DQ10 54 DQ09 53 DQ08 52 Vcc 51 DQ07 50 DQ06 49 DQ05 48 DQ04 47 Vss 46 DQ03 45 DQ02 44 DQ01 PIN NAMES A0 - A18 Address Inputs E0\ - E3\ Chip Enables W\ Write Enables G\ Output Enable DQ0 - DQ31 Common Data Input/Output Vcc Power (+5V ± 10%) Vss Ground NC No Connection BYTE CONTROL TABLE Chip Byte Enable Control E0\ DQ0-7 E1\ DQ8-15 E2\ DQ16-23 E3\ DQ24-31 A0-A18 G\ W\ E0\ E1\ E2\ E3\ 19 512K x 32 Memory Array DQ0-DQ7 DQ8-DQ15 DQ16-DQ23 DQ24-DQ31 AS8SLC512K32PECA Rev. 0.2 03/11 Micross Components reserves the right to change products or speciﬁcations without notice. 1 1 page iPEM 16 Mb ASYNC SRAM AS8SLC512K32PECA WRITE CYCLE 2 - E\ CONTROLLED tAVAV A tAVEL tELEH E\ W\ tAVEH tWLEH D Q HIGH Z tEHAX tDVEH tEHDX DATA VALID PACKAGE DRAWING Package No. 99 68 Lead PLCC JEDEC MO-47AE 0.995 Max 0.956 Max 0.995 0.956 Max Max 0.180 Max 0.040 Max 0.020 0.015 0.930 0.890 0.050 BSC 0.115 Max AS8SLC512K32PECA Rev. 0.2 03/11 Micross Components reserves the right to change products or speciﬁcations without notice. 5 5 Page

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