CY7C182 データシートの表示（PDF） - Cypress Semiconductor
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CY7C182 Datasheet PDF : 7 Pages
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Switching Waveforms
Read Cycle No. 1[4, 9]
tRC
ADDRESS
DATA OUT
tAA
tOHA
PREVIOUS DATA VALID
Read Cycle No. 2 [4, 10]
CE1
tRC
CY7C182
DATA VALID
C182–5
CE2
OOEE
DATA OUT
VCC
SUPPLY
CURRENT
tACE1
tACE2
tDOE
tLZOE
HIGH IMPEDANCE
tLZCE
tPU
50%
Write Cycle No. 1 (WE Controlled)[6]
ADDRESS
CS1
tSCE1
tSCE2
CS2
WE
tAW
tSA
DATA VALID
tWC
tPWE
tHZOE
tHZCE
HIGH
IMPEDANCE
tPD
50%
ICC
ISB
C182–6
tHA
DATA IN
DATA I/O
DATA UNDEFINED
tSD
tHD
DATA VALID
tHZWE
tLZWE
HIGH IMPEDANCE
Notes:
9. Device is continuously selected. OE, CE1 = VIL. CE2 = VIH.
10. If CE1 goes HIGH and CE2 goes LOW simultaneously with WE HIGH, the output remains in a high-impedance state.
C182–7
Document #: 38-05031 Rev. **
Page 4 of 7
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