CY14E256LA-SZ45XIT Cypress Semiconductor Corp, CY14E256LA-SZ45XIT Datasheet - Page 2

• Manufacturer Part Number: CY14E256LA-SZ45XIT
• Description: CY14E256LA-SZ45XIT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY14E256LA-SZ45XIT

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Parameters
The CY14E256LA is a drop in replacement for CY14E256L/STK14C88 and will require minimum changes in the application
board. However, the differences in parameters should be considered before replacing one part with the other.
differences in parameters between CY14E256L/STK14C88 and CY14E256LA.
Table 5. Parameter Comparison
October 5, 2009
Parameter
DC Parameters
I
I
I
I
I
I
I
V
V
V
V
AC Switching Parameters
t
t
t
t
AutoStore / Power Up RECALL Parameters
t
t
t
V
V
t
V
t
t
CC1
CC2
CC3
CC4
SB1
SB
IX
DOE
OHA
LZCE
LZWE
HRECALL
STORE
VSBL
DELAY
LZHSB
HHHD
IH
OH
OL
CAP
RESET
SWITCH
HDIS
Average V
Average V
during STORE
Average V
t
Average V
during AutoStore Cycle
Average V
Cycling Input)
V
Input Leakage Current
Input High Voltage
Output HIGH Voltage
Output LOW Voltage
Storage Capacitor
Output Enable to Data Valid
Output Hold After Address Change
Chip Enable to Output Active
Output Active After End of Write
Power Up RECALL Duration
STORE Cycle Duration
Low Voltage Trigger (V
Low Voltage Reset Level
Low Voltage Trigger Level
Time Allowed to Complete SRAM Write
Cycle
RC
CC
= 200 ns, 5V, 25°C
Standby Current
Output Disable Voltage
To Output Active Time
High Active Time
CC
CC
CC
CAP
CC
Current
Current
Current at
Standby Current (Standby,
Current
Description
SWITCH
) to
low
Document No. 001-55663 Rev. **
Speed
25 ns
35 ns
45 ns
25 ns
35 ns
45 ns
25 ns
35 ns
45 ns
1,000
Min
2.2
4.0
-5
5
5
5
CY14E256L/
Not specified
Not specified
Not specified
STK14C88
54 to 260
10 (typ)
(I
(I
OUT
OUT
Max
0.55
= -4 mA)
100
300
= 8 mA)
1.5
2.4
0.4
3.6
4.5
85
70
31
26
23
+5
10
15
20
10
3
2
Min
-1
2
3
3
3
Not Applicable
CY14E256LA
Not specified
61 to 180
35 (typ)
(I
(I
OUT
OUT
Max
Table 5
500
4.4
1.9
= -2 mA)
12
20
20
25
25
2.4
0.4
= 4 mA)
70
52
10
+1
8
5
-
5
5
-
AN55663
lists the
Unit
mA
ms
ms
mA
mA
mA
mA
mA
ns
ns
ns
ns
ns
us
ns
uA
uF
V
V
V
V
V
V
2
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