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KM68512ALI-L Datasheet(PDF) 2 Page - Samsung semiconductor |
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KM68512ALI-L Datasheet(HTML) 2 Page - Samsung semiconductor |
2 / 9 page KM68512A Family CMOS SRAM Revision 4.0 January 1997 2 64Kx8 bit Low Power CMOS Static RAM GENERAL DESCRIPTION The KM68512A families are fabricated by SAMSUNG ′s advanced CMOS process technology. The families support various operating temperature ranges and have various package types for user flexibility of system design. The families also support low data retention voltage for battery back-up operation with low data retention current. FEATURES • Process Technology: Poly Load • Organization: 64Kx8 • Power Supply Voltage: 4.5~5.5V • Low Data Retention Voltage: 2V(Min) • Three state output and TTL Compatible • Package Type: 32-SOP-525, 32-TSOP1-0820F PIN DESCRIPTION Name Function CS1, CS2 Chip Select Inputs OE Output Enable Input WE Write Enable Input A0~A15 Address Inputs I/O1~I/O8 Data Inputs/Outputs Vcc Power Vss Ground N.C No Connection PRODUCT FAMILY Product Family Operating Temperature VCC Range Speed Power Dissipation PKG Type Standby (ISB1, Max) Operating (ICC2, Max) KM68512AL Commercial (0~70 °C) 4.5 to 5.5V 55/70ns 100 µA 70mA 32-SOP 32-TSOP1-F KM68512AL-L 20 µA KM68512ALI Industrial (-40~85 °C) 70ns 100 µA KM68512ALI-L 50 µA FUNCTIONAL BLOCK DIAGRAM SAMSUNG ELECTRONICS CO., LTD. reserves the right to change products and specifications without notice. A11 A9 A8 A13 WE CS2 A15 NC NC A14 A12 A7 A6 A5 A4 OE A10 CS1 I/O8 I/O7 I/O6 I/O5 I/O4 VSS I/O3 I/O2 I/O1 A0 A1 A2 A3 32-TSOP Type1 - Forward 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 N.C A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 VSS VCC A15 CS2 WE A13 A8 A9 A11 OE A10 CS1 I/O8 I/O7 I/O6 I/O5 I/O4 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32-SOP N.C VCC Precharge circuit. Memory array 512 rows 128 ×8 columns I/O Circuit Column select Clk gen. Row select A0 A1 A2 A8 A9 A11 A10 A3 A4 A5 A6 A7 A12 A14 CS1 CS2 WE I/O1 Data cont Data cont OE I/O8 A13 A15 Control Logic |
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