KX-NS8290CE - Panasonic PBX Service Manual (repair manual). Page 53

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Description: IC202 NAND Flash Memory Command Latch Enable 
                    Cycle Waveform
Ch1: #WE(IC202-18) - DG
Ch2: I/O1(IC202-29) - DG
Ch3: #CE(IC202-09) - DG
Ch4: CLE(IC202-16) - DG

Description: IC202 NAND Flash Memory Address Latch Enable 
                    Cycle Waveform
Ch1: #WE(IC202-18) - DG
Ch2: I/O1(IC202-29) - DG
Ch3: #CE(IC202-09) - DG
Ch4: ALE(IC202-17) - DG

Description: IC202 NAND Flash Memory Data Write Cycle Waveform
Ch1: #WE(IC202-18) - DG
Ch2: I/O1(IC202-29) - DG
Ch3: #CE(IC202-09) - DG
Ch4: CLE(IC202-16) - DG

Description: IC202 NAND Flash Memory Data Read Cycle Waveform
Ch1: #WE(IC202-18) - DG
Ch2: I/O1(IC202-29) - DG
Ch3: #CE(IC202-09) - DG
Ch4: #RE(IC202-8) - DG

30

29

32

31

CH1: #WE

CH2: I/O1

CH3: #CE

CH4: CLE

CLE Hold Time

520ns

CLE Setup  

Time 640 ns 

CH1: #WE

CH2: I/O1

CH3: #CE

CH4: ALE

Address Latch Timing  occurs 

5 times during ALE = High

 

CH1: #WE

CH2: I/O1

CH3: #CE

CH4: CLE

Data Setup  

175ns 

CH1: #WE

CH2: I/O1

CH3: #CE

CH4: #RE

Data Setup
120ns