CYM1464-25 View Datasheet(PDF) - Cypress Semiconductor
Part Name
Description
Manufacturer
CYM1464-25 Datasheet PDF : 8 Pages
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CYM1464
Switching Characteristics Over the Operating Range (continued)[3]
Parameter
WRITE CYCLE[5]
Description
tWC
tSCS
tAW
tHA
tPWE
tSD
tHD
tLZWE
tHZWE
Write Cycle Time
CS LOW to Write End
Address Set-Up to Write End
Address Hold from Write End
WE Pulse Width
Data Set-Up to Write End
Data Hold from Write End
WE HIGH to Low Z
WE LOW to High Z[4]
1464-35
1464-45
1464-55
Min. Max. Min. Max. Min. Max. Unit
35
45
55
ns
30
40
50
ns
30
40
50
ns
3
3
3
ns
25
35
40
ns
20
25
35
ns
2
3
3
ns
0
0
0
ns
15
15
20
ns
Switching Waveforms
Read Cycle No. 1 [6,7]
tRC
ADDRESS
DATAOUT
tAA
tOHA
PREVIOUS DATA VALID
DATA VALID
Read Cycle No. 2 [6,8]
CS
tRC
tACS
OE
DATA OUT
V CC
SUPPLY
CURRENT
tDOE
tLZOE
HIGH IMPEDANCE
tLZCS
tPU
50%
Notes:
6. WE is HIGH for read cycle.
7. Device is continuously selected, CS = VIL.
8. Address valid prior to or coincident with CS transition LOW.
DATA VALID
tHZOE
tHZCS
HIGH
IMPEDANCE
tPD
ICC
50%
ISB
Document #: 38-05272 Rev. **
Page 4 of 8
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