CY7C425-25DMB Cypress Semiconductor Corp, CY7C425-25DMB Datasheet - Page 8
CY7C425-25DMB
Manufacturer Part Number
CY7C425-25DMB
Description
Manufacturer
Cypress Semiconductor Corp
Datasheets
1.CY7C421-40JC.pdf
(25 pages)
2.CY7C425-25DMB.pdf
(22 pages)
3.CY7C421-40JC.pdf
(21 pages)
4.CY7C421-40JC.pdf
(22 pages)
Specifications of CY7C425-25DMB
Density
8Kb
Word Size
9b
Sync/async
Asynchronous
Expandable
Yes
Package Type
DIP
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temp Range
-55C to 125C
Operating Temperature Classification
Military
Mounting
Through Hole
Pin Count
28
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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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