CY7C1370D
CY7C1372D
Document #: 38-05555 Rev. *F Page 21 of 28
Switching Waveforms
Read/Write/Timing[25, 26, 27]
Notes:
25.For this waveform ZZ is tied LOW.
26.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.
27.Order of the Burst sequence is determined by the status of the MODE (0 = Linear, 1 = Interleaved).Burst operations are optional.
WRITE
D(A1)

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CLK

tCYC
t
CL
t
CH

10

CE

t
CEH
t
CES

WE

CEN

t
CENH
t
CENS

BW

x

ADV/LD

t
AH
t
AS

ADDRESS A1 A2 A3 A4 A5 A6 A7

t
DH
t
DS

Data

I

n-Out (DQ)

t
CLZ
D(A1) D(A2) D(A5)Q(A4)Q(A3)
D(A2+1)
t
DOH
t
CHZ
t
CO
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

t
OEV
t
OELZ
t
OEHZ
t
DOH

DON’T CARE UNDEFINED

Q(A6)
Q(A4+1)
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