Cypress CY62157EV30 manual Switching Waveforms, Read Cycle No Address Transition Controlled19

CY62157EV30 MoBL®

Switching Waveforms

Read Cycle No. 1 (Address Transition Controlled)[19, 20]

Figure 3. Read Cycle No. 1

tRC

ADDRESS

tAA

tOHA

DATA OUT PREVIOUS DATA VALID

DATA VALID

Read Cycle No. 2 (OE Controlled)[20, 21]
		Figure 4. Read Cycle No. 2
ADDRESS
CE1		tRC
		tPD
CE2		tHZCE
	tACE
BHE/BLE
	tDBE	tHZBE
	tLZBE
OE
	tDOE	tHZOE
	tLZOE	HIGH
DATA OUT	HIGH IMPEDANCE	IMPEDANCE
		DATA VALID
	tLZCE	ICC
VCC	tPU
SUPPLY	50%	50%
		ISB
CURRENT

Notes

19.The device is continuously selected. OE, CE1 = VIL, BHE, BLE, or both = VIL, and CE2 = VIH.

20.WE is HIGH for read cycle.

21.Address valid before or similar to CE1, BHE, BLE transition LOW and CE2 transition HIGH.

Document #: 38-05445 Rev. *E Page 7 of 14

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