CY7C1049B-12VXC Cypress Semiconductor Corp, CY7C1049B-12VXC Datasheet - Page 5

• Manufacturer Part Number: CY7C1049B-12VXC
• Description: SRAM Chip Async Single 5V 4M-Bit 512K x 8 12ns 36-Pin SOJ
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1049B-12VXC

• Package: 36SOJ
• Timing Type: Asynchronous
• Density: 4 Mb
• Typical Operating Supply Voltage: 5 V
• Address Bus Width: 19 Bit
• Number Of I/o Lines: 8 Bit
• Number Of Ports: 1
• Number Of Words: 512K

Document #: 38-05169 Rev. *B
Switching Waveforms
Read Cycle No. 1
Read Cycle No. 2 (OE Controlled)
Notes:
12. Device is continuously selected. OE, CE = V
13. WE is HIGH for read cycle.
14. Address valid prior to or coincident with CE transition LOW.
Data Retention Waveform
DATA OUT
DATA OUT
ADDRESS
CURRENT
ADDRESS
V
SUPPLY
CE
CC
CE
V
OE
CC
[12, 13]
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
LZCE
[13, 14]
IL
t
t
LZOE
ACE
.
t
CDR
3.0V
t
OHA
50%
t
DOE
t
AA
DATA RETENTION MODE
t
RC
V
DR
t
RC
> 2V
DATA VALID
3.0V
t
DATA VALID
t
HZOE
R
t
HZCE
t
PD
CY7C1049B
50%
IMPEDANCE
HIGH
Page 5 of 9
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