CY7C425-40JI Cypress Semiconductor Corp, CY7C425-40JI Datasheet - Page 8

• Manufacturer Part Number: CY7C425-40JI
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C425-40JI

• Density: 8Kb
• Word Size: 9b
• Sync/async: Asynchronous
• Expandable: Yes
• Package Type: LCC
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-06001 Rev. *B
Switching Waveforms
Asynchronous Read and Write
Master Reset
Half-full Flag
Notes:
11. W and R ≥ V
12. t
MRSC
= t
R, W
PMR
Q
D
0
0
IH
[11]
–Q
–D
MR
HF
+ t
HF
EF
FF
W
R
around the rising edge of MR.
W
R
RMR
8
8
.
HALF FULL
t
LZR
t
PW
t
A
t
t
WHF
RC
t
t
t
t
HFH
SD
FFH
EFL
DATA VALID
t
WC
DATA VALID
t
t
PMR
MRSC
t
RR
t
DVR
t
HD
[12]
t
WR
t
A
t
PR
HALF FULL+1
t
t
WPW
RPW
DATA VALID
t
RMR
DATA VALID
t
HZR
CY7C419/21/25/29/33
t
RHF
HALF FULL
Page 8 of 25
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