CY7C144-15AXC Cypress Semiconductor Corp, CY7C144-15AXC Datasheet - Page 9
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CY7C144-15AXC
Manufacturer Part Number
CY7C144-15AXC
Description
CY7C144-15AXC
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C144-55AXC.pdf
(23 pages)
Specifications of CY7C144-15AXC
Format - Memory
RAM
Memory Type
SRAM - Dual Port, Asynchronous
Memory Size
64K (8K x 8)
Speed
15ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C144-15AXC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Company:
Part Number:
CY7C144-15AXCT
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Characteristics
Over the Operating Range
Document #: 38-06034 Rev. *H
Notes
Read Cycle
t
t
t
t
t
t
t
t
t
t
t
Write Cycle
t
t
t
t
t
t
t
t
t
t
t
t
7. Test conditions assume signal transition time of 3 ns or less, timing reference levels of 1.5 V, input pulse levels of 0 to 3.0 V, and output loading of the specified I
8. At any given temperature and voltage condition for any given device, t
9. Test conditions used are Load 3.
10. This parameter is guaranteed but not tested.
11. 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.
RC
AA
OHA
ACE
DOE
LZOE
HZOE
LZCE
HZCE
PU
PD
WC
SCE
AW
HA
SA
PWE
SD
HD
HZWE
LZWE
WDD
DDD
[10]
[10]
and 30-pF load capacitance.
Parameter
[11]
[11]
[8, 9,10]
[8, 9,10]
[8, 9,10]
[8, 9,10]
[9,10]
[9,10]
Read cycle time
Address to data valid
Output hold from address change
CE LOW to data valid
OE LOW to data valid
OE Low to Low Z
OE HIGH to High Z
CE LOW to Low Z
CE HIGH to High Z
CE LOW to power-up
CE HIGH to power-down
Write cycle time
CE LOW to write end
Address set-up to write end
Address hold from write end
Address set-up to write start
Write pulse width
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
[7]
Description
HZCE
Min
15
15
12
12
12
10
3
3
3
0
2
0
0
3
7C144-15
7C145-15
is less than t
Max
15
15
10
10
10
15
10
30
25
LZCE
and t
HZOE
Min
25
25
20
20
20
15
3
3
3
0
2
0
0
3
7C144-25
is less than t
Max
25
25
15
15
15
25
15
50
30
LZOE
.
CY7C144 CY7C145
Min
55
55
45
45
40
25
3
3
3
0
2
0
0
3
7C144-55
Max
55
55
25
25
25
55
25
70
40
Page 9 of 23
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
OI
/I
OH
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