STK14C88-NF45 Cypress Semiconductor Corp, STK14C88-NF45 Datasheet - Page 13
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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
Software Controlled STORE/RECALL Cycle
The software controlled STORE/RECALL cycle follows.
Document Number: 001-50592 Rev. *B
Switching Waveforms
Notes
t
t
t
t
t
18. The software sequence is clocked on the falling edge of CE without involving OE (double clocking will abort the sequence).
19. 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
HACE
RECALL
Parameter
[18, 19]
[16]
ADDRESS
[18, 19]
DQ (DATA)
[18, 19]
CE
OE
t
t
t
t
AVAV
AVEL
ELEH
ELAX
Alt
t
SA
A
D
DATA VALID
D
Figure 12. CE Controlled Software STORE/RECALL Cycle
R
t
t
SCE
RC
E
STORE/RECALL Initiation Cycle Time
Address Setup Time
Clock Pulse Width
Address Hold Time
RECALL Duration
S
t
HACE
S
#
1
Description
[18, 19]
A
D
D
t
R
RC
E
S
DATA VALID
S
#
Min
35
25
20
6
0
35 ns
t
STORE
[19]
Max
HIGH IMPEDANCE
20
/ t
RECALL
Min
45
30
20
0
STK14C88-3
45 ns
Max
Page 13 of 17
20
Unit
ns
ns
ns
ns
μs
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