CY14B256L-SP35XI Cypress Semiconductor Corp, CY14B256L-SP35XI Datasheet - Page 10
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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
AC Switching Characteristics
SRAM Read Cycle
Switching Waveforms
Notes
Document Number: 001-06422 Rev. *I
t
t
t
t
t
t
t
t
t
t
t
6. WE must be HIGH during SRAM Read cycles.
7. Device is continuously selected with CE and OE both Low.
8. Measured ±200 mV from steady state output voltage.
9. HSB must remain HIGH during SRAM Read and Write Cycles.
ACE
RC
AA
DOE
OHA
LZCE
HZCE
LZOE
HZOE
PU
PD
Parameter
Cypress
[7]
[6]
[5]
[5]
[7]
[8]
[8]
[8]
[8]
Parameter
t
t
t
t
t
t
t
t
t
t
t
ELQV
AVAV,
AVQV
GLQV
AXQX
ELQX
EHQZ
GLQX
GHQZ
ELICCH
EHICCL
t
ELEH
Alt
Chip Enable Access Time
Read Cycle Time
Address Access Time
Output Enable to Data Valid
Output Hold After Address Change
Chip Enable to Output Active
Chip Disable to Output Inactive
Output Enable to Output Active
Output Disable to Output Inactive
Chip Enable to Power Active
Chip Disable to Power Standby
Figure 5. SRAM Read Cycle 1: Address Controlled
Figure 6. SRAM Read Cycle 2: CE Controlled
Description
Min
25
3
0
0
3
25 ns
Max
25
12
10
10
25
25
[6, 9]
[6, 7, 9]
Min
35
3
3
0
0
35 ns
Max
35
35
15
13
13
35
Min
45
3
0
0
3
CY14B256L
45 ns
Page 10 of 19
Max
45
45
20
15
15
45
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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