Cypress CY14B108L Manual De Usuario

Descargar
Página de 24
PRELIMINARY
CY14B108L, CY14B108N
Document #: 001-45523 Rev. *B
Page 23 of 24
Document History Page 
Document Title: CY14B108L/CY14B108N 8 Mbit (1024K x 8/512K x 16) nvSRAM 
Document Number: 001-45523
Rev. ECN No. Orig. of Change Submission 
Date
Description of Change
**
2428826
GVCH
See ECN
New Data Sheet
*A
2520023
GVCH/PYRS
06/23/08
Updated I
CC1
 for tRC=20ns, 25ns and 45ns access speed for both industrial 
and Commercial temperature Grade
Updated Thermal resistance values for 48-FBGA,44-TSOP II and 54-TSOP II 
packages
Changed t
CW
 value from 16ns to 15ns
*B
2676670
GVCH/PYRS
03/20/2009
Added maximum accumulated storage time for 150
°C and 85°C Temperature
Added best practices
Changed I
CC2
 from 12mA to 20mA
Changed I
CC3
 from 38mA to 40mA
Changed I
CC4
 from 12mA to 10mA
Changed I
SB
 from 6mA to 10mA
Changed V
CAP
 from 164uF to 360uF
Changed Input Rise and Fall Times from 5ns to 3ns
Updated I
CC1
, I
CC3
, I
SB
and I
OZ 
Test conditions
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
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