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Cypress Semiconductor Electronic Components Datasheet

CG7501AA Datasheet

4-Mbit (512 K x 8) nvSRAM

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CG7501AA pdf
CG7501AA
4-Mbit (512 K × 8) nvSRAM
4-Mbit (512 K × 8/256 K × 16) nvSRAM
Features
45 ns access time
Internally organized as 512 K × 8
Hands off automatic STORE on power-down with only a small
capacitor
STORE to QuantumTrap non-volatile elements initiated by
software, device pin, or AutoStore on power-down
RECALL to SRAM initiated by software or power-up
Infinite read, write, and recall cycles
1 million STORE cycles to QuantumTrap
20 year data retention
Single 3 V +20, –10operation
Industrial temperature
Package
48-ball fine-pitch ball grid array (FBGA)
Pb-free and restriction of hazardous substances (RoHS)
compliant
Functional Description
The Cypress CG7501AA is a fast static RAM (SRAM), with a
non-volatile element in each memory cell. The memory is
organized as 512 K bytes of 8 bits each. The embedded
non-volatile elements incorporate QuantumTrap technology,
producing the world’s most reliable non-volatile memory. The
SRAM provides infinite read and write cycles, while independent
non-volatile data resides in the highly reliable QuantumTrap cell.
Data transfers from the SRAM to the non-volatile elements (the
STORE operation) takes place automatically at power-down. On
power-up, data is restored to the SRAM (the RECALL operation)
from the non-volatile memory. Both the STORE and RECALL
operations are also available under software control.
Logic Block Diagram
A0
A1
A2
A3
A4
A5
A6
A7
A8
A 17
A 18
DQ 0
DQ 1
DQ 2
DQ 3
DQ 4
DQ 5
DQ 6
DQ 7
QuantumTrap
2048 X 2048
STORE
STATIC RAM
ARRAY
2048 X 2048
RECALL
COLUMN I/O
COLUMN DEC
A9 A10 A11A12 A13A14A15 A16
VCC VCAP
POWER
CONTROL
STORE/RECALL
CONTROL
HSB
SOFTWARE
DETECT
-A14 A2
OE
CE
WE
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-82292 Rev. **
• San Jose, CA 95134-1709 • 408-943-2600
Revised September 5, 2012


Cypress Semiconductor Electronic Components Datasheet

CG7501AA Datasheet

4-Mbit (512 K x 8) nvSRAM

No Preview Available !

CG7501AA pdf
CG7501AA
Contents
Pinout ................................................................................ 3
Pin Definitions .................................................................. 4
Device Operation .............................................................. 5
SRAM Read ................................................................ 5
SRAM Write ................................................................. 5
AutoStore Operation .................................................... 5
Hardware STORE Operation ....................................... 5
Hardware RECALL (Power-Up) .................................. 6
Software STORE ......................................................... 6
Software RECALL ....................................................... 6
Preventing AutoStore .................................................. 7
Data Protection ............................................................ 7
Maximum Ratings ............................................................. 8
Operating Range ............................................................... 8
DC Electrical Characteristics .......................................... 8
Data Retention and Endurance ....................................... 9
Capacitance ...................................................................... 9
Thermal Resistance .......................................................... 9
AC Test Loads ................................................................ 10
AC Test Conditions ........................................................ 10
AC Switching Characteristics ....................................... 11
Switching Waveforms .................................................... 11
AutoStore/Power-Up RECALL ....................................... 13
Switching Waveforms – AutoStore/
Power-up RECALL .......................................................... 13
Software Controlled STORE/RECALL Cycle ................ 14
Switching Waveforms – Software Controlled STORE/RE-
CALL Cycle ..................................................................... 14
Hardware STORE Cycle ................................................. 15
Switching Waveforms – Hardware STORE Cycle ........ 15
Truth Table For SRAM Operations ................................ 16
Ordering Information ...................................................... 16
Ordering Code Definitions ......................................... 16
Package Diagrams .......................................................... 17
Acronyms ........................................................................ 18
Document Conventions ................................................. 18
Units of Measure ....................................................... 18
Document History Page ................................................. 19
Sales, Solutions, and Legal Information ...................... 20
Worldwide Sales and Design Support ....................... 20
Products .................................................................... 20
PSoC Solutions ......................................................... 20
Document Number: 001-82292 Rev. **
Page 2 of 20


Part Number CG7501AA
Description 4-Mbit (512 K x 8) nvSRAM
Maker Cypress
Total Page 20 Pages
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