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What is CY7C1440AV25?

This electronic component, produced by the manufacturer "Cypress Semiconductor", performs the same function as "36-Mbit Pipelined Sync SRAM".


CY7C1440AV25 Datasheet PDF - Cypress Semiconductor

Part Number CY7C1440AV25
Description 36-Mbit Pipelined Sync SRAM
Manufacturers Cypress Semiconductor 
Logo Cypress Semiconductor Logo 


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CY7C1440AV25
CY7C1446AV25
36-Mbit (1 M × 36/512 K × 72)
Pipelined Sync SRAM
36-Mbit (1 M × 36/512 K × 72) Pipelined Sync SRAM
Features
Supports bus operation up to 250 MHz
Available speed grades are 250 and 167 MHz
Registered inputs and outputs for pipelined operation
2.5 V core power supply
2.5 V power supply
Fast clock-to-output times
2.6 ns (for 250-MHz device)
Provide high-performance 3-1-1-1 access rate
User-selectable burst counter supporting IntelPentium
interleaved or linear burst sequences
Separate processor and controller address strobes
Synchronous self-timed writes
Asynchronous output enable
Single-cycle Chip Deselect
CY7C1440AV25 available in Pb-free and non-Pb-free 165-ball
FBGA package. CY7C1446AV25 available in non-Pb-free
209-ball FBGA package
IEEE 1149.1 JTAG-Compatible Boundary Scan
“ZZ” Sleep Mode Option
Functional Description
The CY7C1440AV25/CY7C1446AV25 SRAM integrates
1 M × 36/512 K × 72 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), 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 CY7C1440AV25/CY7C1446AV25 operates from a +2.5 V
core power supply while all outputs may operate with a +2.5 V
supply. All inputs and outputs are JEDEC-standard
JESD8-5-compatible.
For a complete list of related documentation, click here.
Selection Guide
Maximum Access Time
Maximum Operating Current
Maximum CMOS Standby Current
Description
250 MHz
2.6
435
120
167 MHz
3.4
335
120
Unit
ns
mA
mA
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-70167 Rev. *E
• San Jose, CA 95134-1709 • 408-943-2600
Revised January 5, 2016

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CY7C1440AV25 equivalent
CY7C1440AV25
CY7C1446AV25
Pin Configurations
Figure 1. 165-ball FBGA (15 × 17 × 1.4 mm) pinout
CY7C1440AV25 (1 M × 36)
123
A NC/288M
B NC/144M
A
A
CE1
CE2
C DQPC NC VDDQ
D
DQC
DQC
VDDQ
E
DQC
DQC
VDDQ
F
DQC
DQC
VDDQ
G
DQC
DQC
VDDQ
H NC NC NC
J
DQD
DQD
VDDQ
K
DQD
DQD
VDDQ
L
DQD
DQD
VDDQ
M
DQD
DQD
VDDQ
N DQPD NC VDDQ
P NC NC/72M A
R MODE
A
A
4
BWC
BWD
VSS
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VSS
A
A
5
BWB
BWA
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
NC
TDI
TMS
6
CE3
CLK
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
A
A1
A0
7
BWE
GW
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
NC
TDO
TCK
8
ADSC
OE
VSS
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VSS
A
A
9
ADV
ADSP
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
NC
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
A
A
10 11
A NC
A NC/576M
NC/1G
DQB
DQB
DQB
DQB
NC
DQPB
DQB
DQB
DQB
DQB
ZZ
DQA
DQA
DQA
DQA
NC
A
DQA
DQA
DQA
DQA
DQPA
A
AA
Document Number: 001-70167 Rev. *E
Page 5 of 33


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Featured Datasheets

Part NumberDescriptionMFRS
CY7C1440AV25The function is 36-Mbit Pipelined Sync SRAM. Cypress SemiconductorCypress Semiconductor

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