CY7C0851V CYPRESS [Cypress Semiconductor], CY7C0851V Datasheet - Page 26

• Manufacturer Part Number: CY7C0851V
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Notes
Document Number: 38-06070 Rev. *L
47. CE
48. Address in output mode. Host must not be driving address bus after t
49. Address in input mode. Host can drive address bus after t
50. An * is the internal value of the address counter (or the mask register depending on the CNT/MSK level) being Read out on the address lines.
EXTERNAL
ADDRESS
DATA
INTERNAL
ADDRESS
0
CNTEN
= OE = B0 – B3 = LOW; CE
A
0
ADS
–A
CLK
OUT
16
t
t
SCN
SAD
EXTERNAL
ADDRESS
t
SA
LOAD
Q
A
x-2
t
n
t
HAD
HCN
t
HA
Figure 20. Readback State of Address Counter or Mask Register
t
CH2
t
CYC2
1
= R/W = CNTRST = MRST = HIGH.
t
CL2
(continued)
READBACK
COUNTER
INTERNAL
ADDRESS
Q
x-1
A
n
t
CD2
INCREMENT
CKHZ
.
Q
n
t
t
CA2
CKHZ
CKLZ
or t
in next clock cycle.
CM2
A
n+1
A
n*
t
CKLZ
A
n+2
Q
n+1
CY7C0851V/CY7C0851AV
CY7C0852V/CY7C0852AV
CY7C0853V/CY7C0853AV
[47, 48, 49, 50]
A
Q
n+3
n+2
Q
A
n+3
n+4
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