Cypress CY14B104L Manual De Usuario

Document #: 001-07102 Rev. *L

Page 24 of 25

*J

2600941

11/04/08

GVCH/PYRS

Removed 15 ns access speed
Updated Logic block diagram
Updated footnote 1
Added footnote 2 and 5
Pin definition: Updated WE, HSB and NC pin description
Page 4:Updated SRAM READ, SRAM WRITE, Autostore operation description
Page 4:Updated Hardware store operation and Hardware RECALL (Power-up) 
description
Footnote 1 referenced for Mode selection Table
Page 6:updated Data protection description
Maximum Ratings: Added Max. Accumulated storage time
Changed I

CC2

 from 6mA to 10mA

Changed I

CC4

 from 6mA to 5mA

Changed I

SB

 from 3mA to 5mA

Updated I

CC1, 

I

CC3 , 

I

SB

and I

OZ 

Test conditions

Changed V

CAP

 max value from 82uf to 180uF

Updated footnote 10 and 11
Added footnote 12
Added Data retention and Endurance Table
Updated Input Rise and Fall time in AC test Conditions
Referenced footnote 15 to t

OHA

 parameter

Updated All switching waveforms
Added Figure 10 (SRAM WRITE CYCLE:BHE and BLE controlled)
Changed t

DELAY

 to 20ns, 25ns, 25ns for 15ns, 20ns, 45ns part respectively

Changed t

STORE

 from 15ms to 8ms

Added V

HDIS

, t

HHHD

 and t

LZHSB

 parameters

Updated footnote 21 
Added footnote 24
Software controlled STORE/RECALL cycle table: Changed t

AS

 to t

SA

Changed t

GHAX

 to t

HA

Added t

DHSB

 parameter

Changed t

HLHX

 to t

PHSB

Updated t

SS

 from 70us to 100us

Added Truth table for SRAM operations
Updated ordering information and part numbering nomenclature

*K

2612931

11/26/08

AESA

Removed Preliminary form header.

*L

2625431

12/19/08

GVCH/DSG

Changed t

DELAY

 to 1us (min) and 70us (max) for all three access time

Page 4: Removed the text relating to write requested after HSB goes LOW are 
inhibited.
Page 5: modified software store description to indicate no further read/writes 
permitted for t

SS

 duration after sixth read cycle.

Added parameter t

PURHH 

to

 

AutoStore power-Up recall table

Updated Figures 11, 12 and 13.
Added t

HLBL

 parameter 

Removed t

DHSB

 parameter

Updated Figure 14;Hardware store cycle
Changed Simtek trademarks to Cypress