STK14C88-NF45 Cypress Semiconductor Corp, STK14C88-NF45 Datasheet - Page 8
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STK14C88-NF45
Manufacturer Part Number
STK14C88-NF45
Description
IC NVSRAM 256KBIT 45NS 32SOIC
Manufacturer
Cypress Semiconductor Corp
Type
NVSRAMr
Specifications of STK14C88-NF45
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
0°C ~ 70°C
Package / Case
32-SOIC (7.5mm Width)
Word Size
8b
Organization
32Kx8
Density
256Kb
Interface Type
Parallel
Access Time (max)
45ns
Operating Supply Voltage (typ)
5V
Package Type
SOIC
Operating Temperature Classification
Commercial
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
Operating Temp Range
0C to 70C
Pin Count
32
Mounting
Surface Mount
Supply Current
70mA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STK14C88-NF45
Manufacturer:
SIMTER
Quantity:
20 000
Company:
Part Number:
STK14C88-NF45I
Manufacturer:
SIMTEK
Quantity:
5 947
Part Number:
STK14C88-NF45I
Manufacturer:
SIMTEK
Quantity:
20 000
Company:
Part Number:
STK14C88-NF45ITR
Manufacturer:
SIMTEK
Quantity:
7 145
Hardware Mode Selection
Hardware STORE Cycle
Document Number: 001-52038 Rev. *B
Notes
12. HSB STORE operation occurs only if an SRAM write is done since the last nonvolatile cycle. After the STORE (if any) completes, the part goes into standby mode,
13. E and G low, W high for output behavior.
14. t
No.
22
23
24
25
26
H
E
X
inhibiting all operations until HSB rises
L
L
RECOVER
Standard
t
RECOVER
DQ (DATA OUT)
is only applicable after t
t
t
STORE
t
DELAY
t
W
H
X
L
X
HLHX
HLBL
HSB (OUT)
HSB (IN)
Symbols
HSB
H
H
H
L
Alternate
t
t
t
HHQX
HLQZ
HLHZ
STORE
HIGH IMPEDANCE
A
13
is complete.
- A
STORE Cycle Duration
Time Allowed to Complete SRAM Cycle
Hardware STORE High to Inhibit Off
Hardware STORE Pulse Width
Hardware STORE Low to STORE Busy
X
X
X
X
0
DATA VALID
(hex)
t
HLHX
25
t
HLBL
27
t
DELAY
Figure 8. Hardware STORE Cycle
23
Nonvolatile STORE
Not Selected
Read SRAM
Write SRAM
Parameter
Mode
t
STORE
22
Output High Z
Output High Z
Output Data
t
RECOVER
Input Data
24
I/O
Min
STK14C88
15
1
HIGH IMPEDANCE
Standby
Power
DATA VALID
Active
Active
Max
700
300
l
10
CC 2
STK14C88
Units Notes
ms
μs
ns
ns
ns
Page 8 of 19
Notes
13, 14
19
12
13
13
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