Features: • Registered inputs and outputs for pipelined operation• Optimal for performance (Double-Cycle deselect) - Depth expansion without wait state• 128K * 36 common I/O architecture• 3.3V core power supply (VDD)• 3.3V/2.5V I/O supply (VDDQ)• Fast clock-to-o...
CY7C1348G: Features: • Registered inputs and outputs for pipelined operation• Optimal for performance (Double-Cycle deselect) - Depth expansion without wait state• 128K * 36 common I/O archit...
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The CY7C1348G SRAM integrates 128K x 36 SRAM cells with advanced synchronous peripheral circuitry and a two-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 of CY7C1348G include all addresses, all data inputs, address-pipelining Chip Enable (CE1), depth-expansion Chip Enables (CE2 and CE3), Burst Control inputs (ADSC, ADSP, and ADV), Write Enables (BW[A:D], and BWE), and Global Write (GW). Asynchronous inputs include the Output Enable (OE) and the ZZ pin.
Addresses and chip of CY7C1348G enables are registered at rising edge of clock when either Address Strobe Processor (ADSP) or Address Strobe Controller (ADSC) are active. Subsequent burst addresses can be internally generated as controlled by the Advance pin (ADV).
Address, data inputs, and write controls of CY7C1348G are registered on-chip to initiate a self-timed Write cycle.This part supports Byte Write operations (see Pin Descriptions and Truth Table for further details). Write cycles can be one to four bytes wide as controlled by the byte write control inputs. GW active LOW causes all bytes to be written. This device incorporates an additional pipelined enable register which delays turning off the output buffers an additional cycle when a deselect is executed.CY7C1348G feature allows depth expansion without penalizing system performance.
The CY7C1348G operates from a +3.3V core power supply while all outputs operate with a +3.3V or a +2.5V supply. All inputs and outputs are JEDEC-standard JESD8-5-compatible.