CY7C1049BV33-12ZC Cypress Semiconductor Corp, CY7C1049BV33-12ZC Datasheet - Page 7

• Manufacturer Part Number: CY7C1049BV33-12ZC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1049BV33-12ZC

• Density: 4Mb
• Access Time (max): 12ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 19b
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Number Of Ports: 1
• Supply Current: 200mA
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 44
• Word Size: 8b
• Number Of Words: 512K
• Lead Free Status / RoHS Status: Not Compliant

Switching Waveforms
Write Cycle No. 1(WE Controlled, OE HIGH During Write)
Write Cycle No. 2 (WE Controlled, OE LOW)
Truth Table
Document #: 38-05139 Rev. *A
Notes:
15. Data I/O is high-impedance if OE = V
16. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
17. During this period the I/Os are in the output state and input signals should not be applied.
ADDRESS
ADDRESS
CE
DATA I/O
DATA I/O
H
L
L
L
CE
CE
WE
OE
WE
OE
X
X
H
L
NOTE 17
NOTE 17
WE
H
H
X
L
t
SA
High Z
Data Out
Data In
High Z
(continued)
t
IH
SA
.
t
I/O
HZOE
t
HZWE
0
– I/O
7
[16]
Power-Down
Read
Write
Selected, Outputs Disabled
t
AW
t
AW
t
t
SCE
SCE
[15, 16]
t
t
WC
WC
t
PWE
DATA
t
t
PWE
SD
Mode
IN
DATA VALID
t
SD
VALID
t
HA
t
t
HA
LZWE
t
t
HD
HD
Standby (I
Active (I
Active (I
Active (I
CY7C1049BV33
CC
CC
CC
Power
SB
)
)
)
)
Page 7 of 10
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