CY7C131-55JXI Cypress Semiconductor Corp, CY7C131-55JXI Datasheet - Page 6
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CY7C131-55JXI
Manufacturer Part Number
CY7C131-55JXI
Description
IC SRAM 8KBIT 55NS 52PLCC
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C131-55JXC.pdf
(19 pages)
Specifications of CY7C131-55JXI
Format - Memory
RAM
Memory Type
SRAM - Dual Port, Asynchronous
Memory Size
8K (1K x 8)
Speed
55ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C131-55JXI
Manufacturer:
CYPRESS
Quantity:
8 831
Company:
Part Number:
CY7C131-55JXI
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Company:
Part Number:
CY7C131-55JXIT
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Characteristics
Document #: 38-06002 Rev. *E
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Shaded areas contain preliminary information.
Notes
RC
AA
OHA
ACE
DOE
LZOE
HZOE
LZCE
HZCE
PU
PD
WC
SCE
AW
HA
SA
PWE
SD
HD
HZWE
LZWE
12. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V and output loading of the specified
13. AC Test Conditions use V
14. At any given temperature and voltage condition for any given device, t
15. t
16. The internal write time of the memory is defined by the overlap of CS LOW and R/W LOW. Both signals must be low to initiate a write and either signal can
Read Cycle
Write Cycle
Parameter
I
terminate a write by going high. The data input setup and hold timing should be referenced to the rising edge of the signal that terminates the write.
OL
LZCE
/I
OH,
, t
LZWE
and 30 pF load capacitance.
, t
[16]
HZOE
Read Cycle Time
Address to Data Valid
Data 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 Setup to Write End
Address Hold from Write End
Address Setup to Write Start
R/W Pulse Width
Data Setup to Write End
Data Hold from Write End
R/W LOW to High Z
R/W HIGH to Low Z
, t
LZOE
, t
OH
HZCE
= 1.6V and V
and t
HZWE
Description
[10, 14, 15]
[10, 14, 15]
[15]
[15]
[10, 14, 15]
[10, 14, 15]
OL
Over the Operating Range
are tested with C
[13]
[10]
[13]
[13]
= 1.4V.
[10]
L
= 5 pF as in part (b) of AC Test Loads. Transition is measured ±500 mV from steady state voltage.
HZCE
is less than t
[7, 12]
Min
7C131-15
15
15
12
12
12
10
7C131A-15
0
3
3
0
2
0
0
0
7C141-15
LZCE
Max
and t
15
15
10
10
10
15
10
[4]
HZOE
is less than t
Min
7C130-25
25
25
20
20
15
15
0
3
5
0
2
0
0
0
7C131-25
7C140-25
7C141-25
LZOE
Max
25
25
15
15
15
25
15
CY7C130, CY7C130A
CY7C131, CY7C131A
[4]
.
CY7C140, CY7C141
Min
7C130A-30
30
30
25
25
25
15
0
3
5
0
2
0
0
0
7C130-30
7C131-30
7C140-30
7C141-30
Max
30
30
20
15
15
25
15
Page 6 of 19
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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