10 / 15 page
CY7C1350G
Document #: 38-05524 Rev. *F
Page 10 of 15
Switching Waveforms
Read/Write Timing[19, 20, 21]
Notes:
19. For this waveform ZZ is tied LOW.
20. When CE is LOW, CE1 is LOW, CE2 is HIGH and CE3 is LOW. When CE is HIGH, CE1 is HIGH or CE2 is LOW or CE3 is HIGH.
21. Order of the Burst sequence is determined by the status of the MODE (0 = Linear, 1 = Interleaved). Burst operations are optional.
WRITE
D(A1)
123
456789
CLK
t CYC
tCL
tCH
10
CE
tCEH
tCES
WE
CEN
tCENH
tCENS
BW[A:D]
ADV/LD
tAH
tAS
ADDRESS
A1
A2
A3
A4
A5
A6
A7
tDH
tDS
Data
In-Out (DQ)
tCLZ
D(A1)
D(A2)
D(A5)
Q(A4)
Q(A3)
D(A2+1)
tDOH
tCHZ
tCO
WRITE
D(A2)
BURST
WRITE
D(A2+1)
READ
Q(A3)
READ
Q(A4)
BURST
READ
Q(A4+1)
WRITE
D(A5)
READ
Q(A6)
WRITE
D(A7)
DESELECT
OE
tOEV
tOELZ
tOEHZ
tDOH
DON’T CARE
UNDEFINED
Q(A6)
Q(A4+1)