CY7C109-15(1998) 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C109-15 Datasheet PDF : 11 Pages
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Data Retention Waveform
VCC
CE
4.5V
tCDR
DATA RETENTION MODE
VDR > 2V
Switching Waveforms
Read Cycle No. 1[10, 11]
tRC
ADDRESS
DATA OUT
tAA
tOHA
PREVIOUS DATA VALID
Read Cycle No. 2 (OE Controlled)[11, 12]
CY7C109
CY7C1009
4.5V
tR
109-5
DATA VALID
109–6
ADDRESS
tRC
CE1
CE2
OE
DATA OUT
VCC
SUPPLY
CURRENT
tACE
tDOE
tLZOE
HIGH IMPEDANCE
tLZCE
tPU
50%
Notes:
10. Device is continuously selected. OE, CE1 = VIL, CE2 = VIH.
11. WE is HIGH for read cycle.
12. Address valid prior to or coincident with CE1 transition LOW and CE2 transition HIGH.
DATA VALID
tHZOE
tHZCE
HIGH
IMPEDANCE
tPD
50%
ICC
ISB
109–7
6
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