128k X 32 Synchronous Burst Sram

he Galvantech Synchronous Burst SRAM GVT71128D32 family employs high-speed, low power CMOS designs using advanced triple-layer polysilicon, double-layer metal technology. Each memory cell consists of four Transistors and two high valued resistors. The GVT71128D32 SRAM integrates 131,072x32 SRAM cells with advanced synchronous peripheral circuitry and a 2-bit Counter for internal burst operation. All synchronous inputs are gated by Registers controlled by a positive-edge-triggered Clock input (CLK). The synchronous inputs include all addresses, all data inputs, address-pipelining chip enable (CE#), depth-expansion chip enables (CE2# and CE2), burst control inputs (ADSC#, ADSP#, and ADV#), write enables (BW1#, BW2#, BW3#, BW4#,and BWE#), and global write (GW#). Asynchronous inputs include the output enable (OE#) and burst mode control (MODE). The data outputs (Q), enabled by OE#, are also asynchronous. Addresses and chip enables are registered with either address status processor (ADSP#) or address status controller (ADSC#) input pins. Subsequent burst addresses CAN be internally generated as controlled by the burst advance pin (ADV#). Address, data inputs, and write controls are registered on- chip to initiate self-timed WRITE cycle. WRITE cycles CAN be one to four bytes wide as controlled by the write control inputs. Individual byte write allows individual byte to be written. BW1# controls DQ1-DQ8. BW2# controls DQ9- DQ16. BW3# controls DQ17-DQ24. BW4# controls DQ25- DQ32. BW1#, BW2# BW3#, and BW4# CAN be active only with BWE# being LOW. GW# being LOW causes all bytes to be written. This device also incorporates pipelined enable circuit for easy depth expansion without penalizing system performance. The GVT71128D32 operates from a +3.3V power supply. All inputs and outputs are TTL-compatible. The device is ideally suited for 486, PentiumTM, 680x0, and PowerPCTM systems and for systems that are benefited from a wide synchronous data bus. By Unkown
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GVT71128D32 Pinout, Pinouts
GVT71128D32 pinout,Pin out
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