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CY7C1399BL-15ZXC 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C1399BL-15ZXC
256K(32K x 8) Static RAM
Cypress Semiconductor
CY7C1399BL-15ZXC Datasheet PDF : 10 Pages
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Data Retention Waveform
V
CC
3.0V
t
CDR
CE
DATA RETENTION MODE
V
DR
>
2V
CY7C1399B
3.0V
t
R
Switching Waveforms
Read Cycle No. 1
[11, 12]
t
RC
ADDRESS
DATA OUT
t
AA
t
OHA
PREVIOUS DATA VALID
Read Cycle No. 2
[12, 13]
t
RC
CE
t
ACE
OE
DATA OUT
V
CC
SUPPLY
CURRENT
t
DOE
t
LZOE
HIGH IMPEDANCE
t
LZCE
t
PU
50%
DATA VALID
DATA VALID
t
HZOE
t
HZCE
HIGH
IMPEDANCE
t
PD
ICC
50%
ISB
Notes:
11. Device is continuously selected. OE, CE = V
IL
.
12. WE is HIGH for read cycle.
13. Address valid prior to or coincident with CE transition LOW.
Document #: 38-05071 Rev. *D
Page 6 of 10
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