Cypress CY62167E MoBL manual Switching Waveforms

Models: CY62167E MoBL

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CY62167E MoBL®

Switching Waveforms

Figure 1 shows address transition controlled read cycle waveforms.[18, 19]

Figure 1. Read Cycle No. 1

tRC

ADDRESS

tAA

tOHA

DATA OUT

PREVIOUS DATA VALID

DATA VALID

Figure 2 shows OE controlled read cycle waveforms.[19, 20]

Figure 2. 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 #: 001-15607 Rev. *A

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Cypress CY62167E MoBL manual Switching Waveforms