CY7C144-35AC Cypress Semiconductor Corp, CY7C144-35AC Datasheet - Page 7

• Manufacturer Part Number: CY7C144-35AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C144-35AC

• Density: 64Kb
• Access Time (max): 35ns
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Supply Current: 160mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Word Size: 8b
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-06034 Rev. *C
Switching Characteristics
t
t
t
t
t
t
BUSY TIMING
t
t
t
t
t
t
t
t
INTERRUPT TIMING
t
t
SEMAPHORE TIMING
t
t
t
Notes:
13. For information on part-to-part delay through RAM cells from writing port to reading port, refer to Read Timing with Port-to-Port Delay waveform.
14. Test conditions used are Load 2.
SD
HD
HZWE
LZWE
WDD
DDD
BLA
BHA
BLC
BHC
PS
WB
WH
BDD
INS
INR
SOP
SWRD
SPS
Parameter
[13]
[13]
[11,12]
[11,12]
[14]
Data Set-Up to Write End
Data Hold From Write End
R/W LOW to High Z
R/W HIGH to Low Z
Write Pulse to Data Delay
Write Data Valid to Read Data
Valid
BUSY LOW from Address
Match
BUSY HIGH from Address
Mismatch
BUSY LOW from CE LOW
BUSY HIGH from CE HIGH
Port Set-Up for Priority
R/W LOW after BUSY LOW
R/W HIGH after BUSY HIGH
BUSY HIGH to Data Valid
INT Set Time
INT Reset Time
SEM Flag Update Pulse (OE
or SEM)
SEM Flag Write to Read Time
SEM Flag Contention
Window
[14]
Description
Over the Operating Range
Min.
10
13
10
7C144-15
7C145-15
0
3
5
0
5
5
Max.
10
30
25
15
15
15
15
15
15
15
[9]
(continued)
Min.
15
20
10
7C144-25
7C145-25
0
3
5
0
5
5
Max.
15
50
30
20
20
20
20
25
25
25
Min.
15
30
15
7C144-35
7C145-35
0
3
5
0
5
5
Max.
20
60
35
20
20
20
20
35
25
25
Min.
25
30
20
7C144-55
7C145-55
0
3
5
0
5
5
CY7C144
CY7C145
Max.
25
70
40
30
30
30
30
55
35
35
Page 7 of 20
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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