CY7C1049BV33-12ZC Cypress Semiconductor Corp, CY7C1049BV33-12ZC Datasheet - Page 7
![](/photos/31/34/313456/44pin_tsop_sml.jpg)
CY7C1049BV33-12ZC
Manufacturer Part Number
CY7C1049BV33-12ZC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C1049BV33-12ZC.pdf
(10 pages)
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
[+] Feedback