Cypress CY62167EV18 manual Switching Waveforms

CY62167EV18 MoBL®

Switching Waveforms

Figure 4 shows address transition controlled read cycle waveforms.[18, 19]

Figure 4. Read Cycle No. 1

tRC

ADDRESS

tAA

tOHA

DATA OUT PREVIOUS DATA VALID

DATA VALID

Figure 5 shows OE controlled read cycle waveforms.[19, 20]
	Figure 5. 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

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

19.WE is HIGH for read cycle.

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

Document #: 38-05447 Rev. *G Page 6 of 13

[+] Feedback