CY7C1049B-20VI Cypress Semiconductor Corp, CY7C1049B-20VI Datasheet - Page 5

• Manufacturer Part Number: CY7C1049B-20VI
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1049B-20VI

• Density: 4Mb
• Access Time (max): 20ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 19b
• Package Type: SOJ
• Operating Temp Range: -40C to 85C
• Number Of Ports: 1
• Supply Current: 185mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 36
• Word Size: 8b
• Number Of Words: 512K
• Lead Free Status / Rohs Status: Not Compliant

Switching Characteristics
Data Retention Characteristics
Document #: 38-05169 Rev. *A
Read Cycle
t
t
t
t
t
t
t
t
t
t
t
t
Write Cycle
t
t
t
t
t
t
t
t
t
t
V
I
t
t
Notes:
Parameter
10. t
11. No input may exceed V
power
RC
AA
OHA
ACE
DOE
LZOE
HZOE
LZCE
HZCE
PU
PD
WC
SCE
AW
HA
SA
PWE
SD
HD
LZWE
HZWE
CCDR
CDR
R
Parameter
DR
[10]
[3]
r
< 3 ns for the -12 and -15 speeds. t
[8]
V
Data Retention Current
Chip Deselect to Data Retention Time
Operation Recovery Time
CC
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
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
CC
for Data Retention
(typical) to the First Access
CC
+ 0.5V.
[4]
r
Description
[7]
[7]
< 5 ns for the -20 ns and slower speeds.
[6, 7]
[7]
[6, 7]
[6, 7]
Over the Operating Range (continued)
Description
Over the Operating Range
[5]
Com’l
Ind’l
L V
CE > V
V
CC
IN
> V
= V
CC
CC
Min.
DR
20
20
13
13
13
7C1049B-20
Conditions
1
3
0
3
0
0
0
9
0
3
– 0.3V
– 0.3V or V
= 3.0V,
Max.
20
20
20
8
8
8
8
[11]
IN
< 0.3V
Min.
25
25
15
15
15
10
7C1049B-25
1
5
0
5
0
0
0
0
5
Min.
2.0
t
RC
0
CY7C1049B
Max.
25
25
10
10
10
25
10
Max
200
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Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
mA
1
ns
ns
V
A