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KM68257E

Samsung semiconductor
Part Number KM68257E
Manufacturer Samsung semiconductor
Description 32Kx8 Bit High-Speed CMOS Static RAM
Published Dec 19, 2008
Detailed Description KM68257E, KM68257EI Document Title 32Kx8 Bit High-Speed CMOS Static RAM(5V Operating) Operated at Commercial and Industr...
Datasheet PDF File KM68257E PDF File

KM68257E
KM68257E

Overview
KM68257E, KM68257EI Document Title 32Kx8 Bit High-Speed CMOS Static RAM(5V Operating) Operated at Commercial and Industrial Temperature Ranges.
PRELIMINARY CMOS SRAM Revision History Rev .
No.
Rev.
0.
0 History Initial Draft Draft Data Aug.
1.
1998 Remark Preliminary www.
DataSheet4U.
com The attached data sheets are prepared and approved by SAMSUNG Electronics.
SAMSUNG Electronics CO.
, LTD.
reserve the right to change the specifications.
SAMSUNG Electronics will evaluate and reply to your requests and questions on the parameters of this device.
If you have any questions, please contact the SAMSUNG branch office near your office, call or contact Headquarters.
-1- Revision 0.
0 August 1998 KM68257E, KM68257EI 32K x 8 Bit High-Speed CMOS Static RAM FEATURES • Fast Access Time 10, 12, 15ns(Max.
) • Low Power Dissipation Standby (TTL) : 20mA(Max.
) (CMOS) : 2mA(Max.
) Operating KM68257E - 10 : 80mA(Max.
) KM68257E - 12 : 80mA(Max.
) KM68257E - 15 : 80mA(Max.
) • Single 5.
0V±10% Power Supply • TTL Compatible Inputs and Outputs • I/O Compatible with 3.
3V Device • Fully Static Operation - No Clock or Refresh required www.
DataSheet4U.
com • Three State Outputs • Standard Pin Configuration KM68257EJ : 28-SOJ-300 KM68257ETG : 28-TSOP1-0813.
4F PRELIMINARY CMOS SRAM GENERAL DESCRIPTION The KM68257E is a 262,144-bit high-speed Static Random Access Memory organized as 32,768 words by 8 bits.
The KM68257E uses 8 common input and output lines and has an output enable pin which operates faster than address access time at read cycle.
The device is fabricated using SAMSUNG′s advanced CMOS process and designed for high-speed circuit technology.
It is particularly well suited for use in high-density high-speed system applications.
The KM68257E is packaged in a 300mil 28-pin plastic SOJ or TSOP1 forward.
PIN CONFIGURATION(Top View) OE A11 A9 A8 A13 WE Vcc A14 A12 A7 A6 A5 A4 A3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A10 CS I/O8 I/O7 I/O6 I/O5 I/O4 Vss I/...


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