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SRAM
AS5SS128K36
Austin Semiconductor, Inc.
AS5SS128K36
Rev. 2.0 12/00
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
13
READ/WRITE TIMING
READ/WRITE TIMING PARAMETERS
MIN
11
MAX
MIN
12
MAX
t
KHKH
t
KF
90
83
t
KHKL
3.0
3.0
t
KLKH
3.0
3.0
t
KHQV
8.5
9.0
t
KHQX
3.0
3.0
t
KHQX1
3.0
3.0
t
KHQZ
5.0
5.0
t
GLQV
5.0
5.0
t
GLQX
0
0
SYMBOL
-12
-11
MIN
MAX
5.0
MIN
MAX
5.0
t
GHQZ
t
AVKH
2.2
2.5
t
EVKH
2.2
2.5
t
CVKH
2.2
2.5
t
DVKH
2.2
2.5
t
KHAX
0.5
0.5
t
KHEX
0.5
0.5
t
KHCX
0.5
0.5
t
GLDX
0.5
0.5
SYMBOL
-12
-11
NOTE:
1. For this waveform, ZZ is tied LOW.
2. Burst sequence order is determined by MODE (0=linear, 1=interleaved). BURST operations are optional.
3. CE\ represents three signals. When CE\ = 0, it represents CE\ = 0, CE2\ = 0, CE2 = 1.
4. Data coherency is provided for all possible operations. If a READ is initiated, the most current data is used. The most
recent data may be from the input data register.
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
123
123
123
1234
1234
1234
1234
1234
1234
123
123
123
123
123
123
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
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1234
1234
1234
1234567890
1234567890
1234567890
1234
1234
1234
123456789
123456789
123456789
12
12
12
1234
1234
1234
1234567890
1234567890
1234567890
12345678
12345678
12345678
12
12
12
12
12
12
1234
1234
1234
1234
123
123
123
1234
1234
1234
12345678
12345678
12345678
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234567890
1234567890
1234567890
123456789
123456789
123456789
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
123456789012345678901
123456789012345678901
123456789012345678901
12
12
12
12
12
12
12
12
12
12
12
12
1234
1234
1234
A1
t
AVKH
t
KHAX
1234
1234
1234
A2
11234567
11234567
11234567
123
123
123
A3
123
123
123
A4
t
KHQV
11234567
11234567
11234567
123
123
123
A5
123
123
123
A6
123
123
123
A7
11234567
11234567
11234567
1234
1234
1234
D(A1)
t
DVKH
t
KHDX
123
123
123
D(A2)
123
123
123
D(A2+1)
123
123
123
123
Q(A3)
12
12
12
12
Q(A4)
12
12
12
12
Q(A4+1)
123
123
123
123
D(A5)
12
12
12
12
Q(A6)
123
123
123
123
123
123
123
123
D(A7)
WRITE
D(A1)
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
123
123
123
Don’t Care
1234
1234
1234
1234
Undefined
CLK
CLE\
CE\
ADV/LD\
R/W\
BWx\
ADDRESS
DQ
OE\
COMMAND
1
2 3 4 5 6 7 8 9 10
t
KHKH
t
KHKL
t
t
KHEX
t
KHCX
t
KHQX1
t
KHQX
t
GHQZ
t
GLQX
t
GLQV
t
KHQX
t
KHQZ