CY7C1041B-20VI Cypress Semiconductor Corp, CY7C1041B-20VI Datasheet - Page 5
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CY7C1041B-20VI
Manufacturer Part Number
CY7C1041B-20VI
Description
SRAM Chip Async Single 5V 4M-Bit 256K x 16 20ns 44-Pin SOJ
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C1041B-17VI.pdf
(10 pages)
Specifications of CY7C1041B-20VI
Package
44SOJ
Timing Type
Asynchronous
Density
4 Mb
Typical Operating Supply Voltage
5 V
Address Bus Width
18 Bit
Number Of I/o Lines
16 Bit
Number Of Ports
1
Number Of Words
256K
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C1041B-20VI
Manufacturer:
CYPRESS
Quantity:
11 698
Switching Characteristics
Data Retention Characteristics
V
I
t
t
Notes:
READ CYCLE
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WRITE CYCLE
t
t
t
t
t
t
t
t
t
t
t
10. t
11. No input may exceed V
Parameter
CCDR
CDR
R
power
RC
AA
OHA
ACE
DOE
LZOE
HZOE
LZCE
HZCE
PU
PD
DBE
LZBE
HZBE
WC
SCE
AW
HA
SA
PWE
SD
HD
LZWE
HZWE
BW
Parameter
DR
[10]
[3]
r
< 3 ns for the -12 and -15 speeds. t
V
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
Byte Enable to Data Valid
Byte Enable to Low Z
Byte Disable to High Z
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
WE Pulse Width
Data Set-Up to Write End
Data Hold from Write End
WE HIGH to Low Z
WE LOW to High Z
Byte Enable to End of Write
V
Data Retention Current
Chip Deselect to Data Retention Time
Operation Recovery Time
CC
[8, 9]
CC
(typical) to the First Access
for Data Retention
CC
+ 0.5V.
Description
r
< 5 ns for the -20 and slower speeds.
[7]
Description
[4]
[6, 7]
[7]
[6, 7]
[6, 7]
Over the Operating Range (continued)
Over the Operating Range (L version only)
Com’l
[5]
L
V
CE > V
V
IN
CC
5
> V
= V
CC
CC
Conditions
DR
Min.
20
20
13
13
13
13
– 0.3V,
– 0.3V or V
1
3
0
3
0
0
0
0
9
0
3
7C1041B-20
= 3.0V,
[11]
IN
Max.
20
20
20
< 0.3V
8
8
8
8
8
8
Min.
Min.
2.0
t
25
25
15
15
15
10
15
RC
0
1
5
0
5
0
0
0
0
0
5
7C1041B-25
Max.
Max.
200
CY7C1041B
25
25
10
10
10
25
10
10
10
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
1
A