Cypress CY14B104M 2519319, Added 20 ns access speed in Features, 2600941, NC pin description

Models: CY14B104K CY14B104M

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PRELIMINARY

CY14B104K, CY14B104M

 

Document Title: CY14B104K/CY14B104M 4 Mbit (512K x 8/256K x 16) nvSRAM with Real Time Clock

Document Number: 001-07103

Rev.

ECN No.

Submission

Orig. of

 

 

Description of Change

 

 

 

Date

Change

 

 

 

 

 

 

 

 

 

 

*I

2519319

06/20/08

GVCH/PYRS

Added 20 ns access speed in “Features”

 

 

 

 

 

Added ICC1 for tRC=20 ns for both industrial and Commercial temperature Grade

 

 

 

 

Updated Thermal resistance values for 44-TSOP II and 54-TSOP II packages

 

 

 

 

Added AC Switching Characteristics specs for 20 ns access speed

 

 

 

 

Added Software controlled STORE/RECALL cycle specs for 20 ns access speed

 

 

 

 

Updated ordering information and Part numbering nomenclature

*J

2600941

11/04/08

GVCH/PYRS

Removed 15 ns access speed from “Features”

 

 

 

 

 

Changed part number from CY14B104K/CY14B104M to

 

 

 

 

CY14B104KA/CY14B104MA

 

 

 

 

Updated Logic block diagram

 

 

 

 

Updated footnote 1

 

 

 

 

Added footnote 2

 

 

 

 

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 and 8 referenced for Mode selection Table

 

 

 

 

Updated footnote 6

 

 

 

 

Page 6: updated Data protection description

 

 

 

 

Page 6: Updated Starting and stopping the oscillator description

 

 

 

 

Page 7: Updated Calibrating the clock description

 

 

 

 

Page 7: Updated Alarm description

 

 

 

 

Page 8: Added Flags register

 

 

 

 

Added footnote 10 and 11

 

 

 

 

Updated Figure 4: Removed RF register and Changed C2 value from 56pF to

 

 

 

 

12pF

 

 

 

 

Updated Register Map Table 3

 

 

 

 

Updated Register map detail Table 4

 

 

 

 

Maximum Ratings: Added Max. Accumulated storage time

 

 

 

 

Changed Output short circuit current parameter name to DC output current

 

 

 

 

Changed ICC2 from 6mA to 10mA

 

 

 

 

Changed ICC4 from 6mA to 5mA

 

 

 

 

Changed ISB from 3mA to 5mA

 

 

 

 

Updated ICC1, ICC3, ISB and IOZ Test conditions

 

 

 

 

Changed VCAP voltage max value from 82uF to 180uF

 

 

 

 

Updated footnote 12 and 13

 

 

 

 

Added footnote 14

 

 

 

 

Added Data retention and Endurance Table

 

 

 

 

Updated Input Rise and Fall time in AC test Conditions

 

 

 

 

Changed tOCS value for minimum temperature from 10 to 2 sec

 

 

 

 

updated tOCS value for room temperature from 5 to 1sec

 

 

 

 

Referenced footnote 20 to tOHA parameter

 

 

 

 

Updated All switching waveforms

 

 

 

 

Updated footnote 20

 

 

 

 

 

 

 

 

Added Figure 11 (SRAM WRITE CYCLE:BHE

and BLE controlled)

 

 

 

 

Updated tDELAY value

 

 

 

 

Added VHDIS, tHHHD and tLZHSB parameters

 

 

 

 

Updated footnote 27

 

 

 

 

Added footnote 29

 

 

 

 

Software controlled STORE/RECALL Table: Changed tAS to tSA

 

 

 

 

Changed tGHAX to tHA

 

 

 

 

Changed tHA value from 1ns to 1ns

 

 

 

 

Added tDHSB parameter

 

 

 

 

Changed tHLHX to tPHSB

 

 

 

 

Updated tSS from 70us to 100us

 

 

 

 

Added truth table for SRAM operations

 

 

 

 

Updated ordering information and part numbering nomenclature

Document #: 001-07103 Rev. *K

 

 

 

 

 

 

 

 

 

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Cypress CY14B104M, CY14B104K 2519319, Added 20 ns access speed in Features, 2600941, NC pin description, Description, 12pF