STK14D88-RF45 Cypress Semiconductor Corp, STK14D88-RF45 Datasheet - Page 9

• Manufacturer Part Number: STK14D88-RF45
• Description: IC NVSRAM 256KBIT 45NS 48SSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of STK14D88-RF45

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Software-Controlled STORE/RECALL Cycle
Document Number: 001-52037 Rev. *A
No.
Notes
26 t
27 t
28 t
29 t
30 t
13. The software sequence is clocked on the falling edge of E controlled READs.
14. The six consecutive addresses must be read in the order listed in the software STORE/RECALL Mode Selection Table. W must be high during all six consecutive cycles
AVAV
AVEL
ELEH
EHAX
RECALL
E Cont
Symbols
ADDRESS
DQ (DATA
t
t
t
Alternate
RC
AS
CW
E
STORE/RECALL Initiation Cycle Time
Address Setup Time
Clock Pulse Width
Address Hold Time
RECALL Duration
Figure 9. E and G Controlled Software STORE/RECALL Cycle
t
AVEL
27
ADDRESS #1
t
AVAV
26
Parameter
t
DATA VALID
ELEH
28
t
ELAX
29
[13, 14]
STK14D88-25 STK14D88-35 STK14D88-45
Min
ADDRESS #6
25
20
0
1
t
AVAV
26
DATA VALID
DATA VALID
Max
50
t
STORE
Min
35
25
23
0
1
HIGH IMPEDANCE
/
t
RECALL
30
Max
50
[14]
Min
45
30
0
1
Max
50
STK14D88
Unit Notes
ns
ns
ns
ns
μs
Page 9 of 18
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