CY14B256L-SP35XI Cypress Semiconductor Corp, CY14B256L-SP35XI Datasheet - Page 13
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CY14B256L-SP35XI
Manufacturer Part Number
CY14B256L-SP35XI
Description
IC NVSRAM 256KBIT 35NS 48SSOP
Manufacturer
Cypress Semiconductor Corp
Type
NVSRAMr
Specifications of CY14B256L-SP35XI
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
-40°C ~ 85°C
Package / Case
48-SSOP
Word Size
8b
Organization
32Kx8
Density
256Kb
Interface Type
Parallel
Access Time (max)
35ns
Operating Supply Voltage (typ)
3.3V
Package Type
SSOP
Operating Temperature Classification
Industrial
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
2.7V
Operating Temp Range
-40C to 85C
Pin Count
48
Mounting
Surface Mount
Supply Current
60mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY14B256L-SP35XI
Manufacturer:
CYPRESS/赛普拉斯
Quantity:
20 000
Software Controlled STORE/RECALL Cycle
The software controlled STORE/RECALL cycle follows.
Document Number: 001-06422 Rev. *I
Switching Waveforms
Notes
t
t
t
t
t
15. The software sequence is clocked on the falling edge of CE controlled READs or OE controlled READs.
16. The six consecutive addresses must be read in the order listed in the Mode Selection table. WE must be HIGH during all six consecutive cycles.
RC
SA
CW
HA
RECALL
Parameter
DQ (DATA)
[16]
ADDRESS
ADDRESS
DQ (DATA)
CE
OE
CE
OE
t
t
t
t
AVAV
AVEL
ELEH
GHAX,
Alt
t
ELAX
t
t
SA
SA
A
A
D
STORE/RECALL Initiation Cycle Time
Address Setup Time
Clock Pulse Width
Address Hold Time
RECALL Duration
D
D
DATA VALID
D
R
t
R
t
RC
E
Figure 10. CE Controlled Software STORE/RECALL Cycle
t
Figure 11. OE Controlled Software STORE/RECALL Cycle
SCE
RC
E
S
t
DATA VALID
S
S
SCE
S
#
#
1
1
t
t
HA
HA
Description
[15, 16]
A
Min
25
20
A
D
0
1
D
D
D
t
R
25 ns
RC
t
R
E
RC
E
S
DATA VALID
S
S
DATA VALID
S
Max
#
120
#
6
6
t
STORE
t
Min
STORE
35
25
0
1
HIGH IMPEDANCE
HIGH IMPEDANCE
[16]
[16]
/ t
35 ns
/ t
RECALL
RECALL
Max
120
Min
45
30
0
1
CY14B256L
45 ns
Page 13 of 19
Max
120
Unit
ns
ns
ns
ns
μs
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