
AN55662
October 5, 2009 Document No. 001-55662 Rev. ** 2
Parameters
The CY14B256LA is a drop in replacement for STK14C88-3 and requires minimum changes in the application board.
However, the differences in parameters should be considered before replacing one part with the other. Table 5 lists the
differences in parameters between STK14C88-3 and CY14B256LA.
Table 5. Parameter Comparison
Description
CC
CC1
CC
Current
- 70
CC2
Average V
CC
Current
during STORE
3 10
CC3
CC
RC
CC
9 (typ) 35 (typ)
CC4
CAP
Current
during AutoStore Cycle
2 5
SB1
V
CC
Standby Current
Not specified
SB
CC
IH
OH
OUT
OL
OUT
CAP
OHA
Output Hold After Address Change
LZCE
Chip Enable to Output Active
LZWE
Output Active After End of Write
AutoStore / Power Up RECALL Parameters
HRECALL
VSBL
Low Voltage Trigger (V
SWITCH
) to low
300 25
RESET
SWITCH
Low Voltage Trigger Level
DELAY
Time Allowed to Complete SRAM Cycle
1,000
25
HDIS
LZHSB
HHHD
Software Controlled STORE/RECALL Cycle Parameters
HA
RECALL
Hardware STORE Cycle Parameters
HLBL
DHSB
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