CY62128EV30LL-55ZXE(2007) データシートの表示（PDF） - Cypress Semiconductor
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CY62128EV30LL-55ZXE Datasheet PDF : 11 Pages
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CY62128EV30 MoBL®
Switching Waveforms
Read Cycle 1 (Address transition controlled) [15, 16]
tRRCC
ADDRESS
tAA
tOHA
DATA OUT
PREVIOUS DATA VALID
Read Cycle No. 2 (OE controlled) [10, 16, 17]
ADDRESS
CE
OE
DATA OUT
VCC
SUPPLY
CURRENT
tACE
tDOE
tLZOE
HIGH IMPEDANCE
tLZCE
tPU
50%
Write Cycle No. 1 (WE controlled) [10, 15, 18, 19]
ADDRESS
CE
tRC
tWC
tSCE
DATA VALID
tAW
tSA
tPWE
WE
DATA VALID
tHZOE
tHZCE
HIGH
IMPEDANCE
tPD
ICC
50%
ISB
tHA
OE
DATA IO
NOTE 20
tHZOE
tSD
tHD
DATA VALID
Notes:
15. The device is continuously selected. OE, CE1 = VIL, CE2 = VIH.
16. WE is HIGH for read cycle.
17. Address valid before or similar to CE1 transition LOW and CE2 transition HIGH.
18. Data IO is high impedance if OE = VIH.
19. If CE1 goes HIGH or CE2 goes LOW simultaneously with WE HIGH, the output remains in high impedance state.
20. During this period, the IOs are in output state. Do not apply input signals.
Document #: 38-05579 Rev. *C
Page 6 of 11
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