Cypress CY7C1350G User Manual
Page 6
CY7C1350G
Document #: 38-05524 Rev. *F
Page 6 of 15
NOP/WRITE ABORT (Begin Burst) None
L
L
L
L
H
X
L
L-H
Tri-State
WRITE ABORT (Continue Burst)
Next
X
L
H
X
H
X
L
L-H
Tri-State
IGNORE CLOCK EDGE (Stall)
Current
X
L
X
X
X
X
H
L-H
—
SNOOZE MODE
None
X
H
X
X
X
X
X
X
Tri-State
Partial Truth Table for Read/Write
[2, 3, 9]
Function
WE
BW
D
BW
C
BW
B
BW
A
Read
H
X
X
X
X
Write
− No bytes written
L
H
H
H
H
Write Byte A
− (DQ
A
and
DQP
A
)
L
H
H
H
L
Write Byte B
− (DQ
B
and
DQP
B
)
L
H
H
L
H
Write Bytes A, B
L
H
H
L
L
Write Byte C
− (DQ
C
and
DQP
C
)
L
H
L
H
H
Write Bytes C,A
L
H
L
H
L
Write Bytes C, B
L
H
L
L
H
Write Bytes C, B, A
L
H
L
L
L
Write Byte D
− (DQ
D
and
DQP
D
)
L
L
H
H
H
Write Bytes D, A
L
L
H
H
L
Write Bytes D, B
L
L
H
L
H
Write Bytes D, B, A
L
L
H
L
L
Write Bytes D, C
L
L
L
H
H
Write Bytes D, C, A
L
L
L
H
L
Write Bytes D, C, B
L
L
L
L
H
Write All Bytes
L
L
L
L
L
ZZ Mode Electrical Characteristics
Parameter
Description
Test Conditions
Min.
Max.
Unit
I
DDZZ
Snooze mode standby current
ZZ > V
DD
− 0.2V
40
mA
t
ZZS
Device operation to ZZ
ZZ > V
DD
− 0.2V
2t
CYC
ns
t
ZZREC
ZZ recovery time
ZZ < 0.2V
2t
CYC
ns
t
ZZI
ZZ active to snooze current
This parameter is sampled
2t
CYC
ns
t
RZZI
ZZ inactive to exit snooze current
This parameter is sampled
0
ns
Note:
9. Table only lists a partial listing of the byte write combinations. Any combination of BW
X
is valid. Appropriate write will be done on which byte write is active.
Truth Table
[2, 3, 4, 5, 6, 7, 8]
(continued)
Operation
Address Used
CE
ZZ
ADV/LD
WE BW
x
OE
CEN
CLK
DQ