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CY7C1382CV25-167BZI Datasheet(PDF) 1 Page - Cypress Semiconductor

Part # CY7C1382CV25-167BZI
Description  18-Mbit (512K x 36/1M x 18) Pipelined SRAM
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C1382CV25-167BZI Datasheet(HTML) 1 Page - Cypress Semiconductor

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18-Mbit (512K x 36/1M x 18) Pipelined SRAM
CY7C1380CV25
CY7C1382CV25
Cypress Semiconductor Corporation
3901 North First Street
San Jose
, CA 95134
408-943-2600
Document #: 38-05240 Rev. *C
Revised May 11, 2004
Features
• Supports bus operation up to 250 MHz
• Available speed grades are 250, 225, 200,166 and
133 MHz
• Registered inputs and outputs for pipelined operation
• 2.5V core power supply
• Fast clock-to-output times
— 2.6 ns (for 250-MHz device)
— 2.8 ns (for 225-MHz device)
— 3.0 ns (for 200-MHz device)
— 3.4 ns (for 166-MHz device)
— 4.2 ns (for 133-MHz device)
• Provide high-performance 3-1-1-1 access rate
• User-selectable burst counter supporting Intel
Pentium interleaved or linear burst sequences
• Separate processor and controller address strobes
• Synchronous self-timed writes
• Asynchronous output enable
• Single Cycle Chip Deselect
• Offered in JEDEC-standard 100-pin TQFP, 119-ball BGA
and 165-Ball fBGA packages
• IEEE 1149.1 JTAG-Compatible Boundary Scan
• “ZZ” Sleep Mode Option
Functional Description[1]
The CY7C1380CV25/CY7C1382CV25 SRAM integrates
524,288 x 36 and 1,048,576 x 18 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 include all addresses, all data
inputs, address-pipelining Chip Enable (CE1), depth-
expansion Chip Enables (CE2 and CE3 [2]), Burst Control
inputs (ADSC, ADSP, and ADV), Write Enables (BWX, and
BWE), and Global Write (GW). Asynchronous inputs include
the Output Enable (OE) and the ZZ pin.
Addresses and chip 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 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 two or four bytes wide as
controlled by the byte write control inputs. GW when active
LOW causes all bytes to be written.
The CY7C1380CV25/CY7C1382CV25 operates from a +2.5V
core power supply. All outputs also operate with a +2.5 supply.
All inputs and outputs are JEDEC-standard JESD8-5-
compatible.
Selection Guide
250 MHz
225 MHz
200 MHz
167 MHz
133 MHz
Unit
Maximum Access Time
2.6
2.8
3.0
3.4
4.2
ns
Maximum Operating Current
350
325
300
275
245
mA
Maximum CMOS Standby Current
70
70
70
70
70
mA
Shaded areas contain advance information. Please contact your local Cypress sales representative for availability of these parts.
Notes:
1. For best–practices recommendations, please refer to the Cypress application note System Design Guidelines on www.cypress.com.
2. CE3, CE2 are for TQFP and 165 fBGA package only. 119 BGA is offered only in 1 Chip Enable.


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