CY14B256L-SZ35XCT Cypress Semiconductor Corp, CY14B256L-SZ35XCT Datasheet - Page 14
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CY14B256L-SZ35XCT
Manufacturer Part Number
CY14B256L-SZ35XCT
Description
IC NVSRAM 256KBIT 35NS 32SOIC
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY14B256L-SP35XC.pdf
(22 pages)
Specifications of CY14B256L-SZ35XCT
Format - Memory
RAM
Memory Type
NVSRAM (Non-Volatile SRAM)
Memory Size
256K (32K x 8)
Speed
35ns
Interface
Parallel
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
32-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY14B256L-SZ35XCT
Manufacturer:
CYPRESS
Quantity:
5 554
Document Number: 001-54707 Rev. *F
Software Controlled STORE/RECALL Cycle
Switching Waveforms
t
t
t
t
t
Notes
RC
SA
CW
HA
RECALL
27. The software sequence is clocked with CE controlled or OE controlled reads.
28. The six consecutive addresses must be read in the order listed in
29. DQ output data at the sixth read may be invalid since the output is disabled at t
Parameters
HSB (STORE only)
[27, 28]
DQ (DATA)
DQ (DATA)
Address
Address
CE
OE
RWI
STORE/RECALL initiation cycle time
Address setup time
Clock pulse width
Address hold time
RECALL duration
OE
CE
t
SA
t
Figure 10. CE and OE Controlled Software STORE/RECALL Cycle
SA
t
t
LZCE
LZCE
t
t
SA
SA
Address #1
Address #1
t
t
Figure 11. Autostore Enable / Disable Cycle
RC
t
CW
RC
Description
t
CW
t
HZCE
t
t
HA
HA
Table 2
t
HZCE
t
t
HA
HA
on page 6. WE must be HIGH during all six consecutive cycles.
DELAY
t
DELAY
time.
Address #6
Note
t
RC
t
29
CW
Min
25
20
t
Address #6
–
0
0
HA
Note
25 ns
High Impedance
t
RC
t
CW
29
t
STORE
t
HA
Max
200
t
t
HA
DELAY
–
–
–
–
/t
t
RECALL
SS
[28]
t
HA
Min
45
30
0
0
–
45 ns
CY14B256LA
Max
200
t
HHHD
–
–
–
–
Page 14 of 22
t
LZHSB
Unit
ns
ns
ns
ns
µs
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