CY62146ESL MoBL

Switching Waveforms

Figure 2. Read Cycle No.1: Address Transition Controlled. [13, 14]

tRC

ADDRESS

tAA

tOHA

DATA OUT

PREVIOUS DATA VALID

DATA VALID

 

Figure 3. Read Cycle No. 2: OE Controlled [14, 15]

ADDRESS

 

 

CE

 

tRC

 

 

 

 

tPD

 

t

tHZCE

 

ACE

 

OE

 

 

 

tDOE

tHZOE

 

 

BHE/BLE

tLZOE

 

 

 

 

tDBE

tHZBE

 

 

 

tLZBE

HIGH

DATA OUT

HIGHIMPEDANCE

IMPEDANCE

tLZCE

DATA VALID

 

 

 

tPU

ICC

VCC

 

50%

50%

SUPPLY

 

ISB

CURRENT

 

 

Notes

13.The device is continuously selected. OE, CE = VIL, BHE, BLE, or both = VIL.

14.WE is HIGH for read cycle.

15.Address valid before or similar to CE, BHE, BLE transition LOW.

Document #: 001-43142 Rev. **

Page 7 of 12

[+] Feedback

Page 7
Image 7
Cypress CY62146ESL manual Switching Waveforms, Read Cycle No.1 Address Transition Controlled