CY14E256L-SZ25XCT Cypress Semiconductor Corp, CY14E256L-SZ25XCT Datasheet - Page 13

• Manufacturer Part Number: CY14E256L-SZ25XCT
• Description: IC NVSRAM 256KBIT 25NS 32SOIC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY14E256L-SZ25XCT

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Software Controlled STORE/RECALL Cycle
The software controlled STORE/RECALL cycle follows.
Document Number: 001-06968 Rev. *H
Switching Waveforms
t
t
t
t
t
Notes
RC
SA
CW
HACE
RECALL
Parameter
18. The software sequence is clocked on the falling edge of CE without involving OE (double clocking aborts 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.
[18, 19]
[16]
[18, 19]
ADDRESS
DQ (DATA)
[18, 19]
CE
OE
t
t
t
t
AVAV
AVEL
ELEH
ELAX
Alt
t
SA
A
STORE/RECALL Initiation Cycle Time
Address Setup Time
Clock Pulse Width
Address Hold Time
RECALL Duration
D
DATA VALID
D
Figure 12. CE Controlled Software STORE/RECALL Cycle
R
t
t
SCE
RC
E
S
t
HACE
S
#
1
Description
[19]
Min
25
20
20
0
A
D
25 ns
D
t
R
RC
E
Max
S
20
DATA VALID
S
#
6
Min
35
25
20
0
t
STORE
[19]
35 ns
HIGH IMPEDANCE
/ t
Max
20
RECALL
Min
45
30
20
0
CY14E256L
45 ns
Page 13 of 19
Max
20
Unit
ns
ns
ns
ns
μs
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