CY7C0851AV-133AXC Cypress Semiconductor Corp, CY7C0851AV-133AXC Datasheet - Page 24

• Manufacturer Part Number: CY7C0851AV-133AXC
• Description: IC SRAM 2MBIT 133MHZ 176LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C0851AV-133AXC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Synchronous
• Memory Size: 2M (64K x 36)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 176-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Switching Waveforms
Notes
Document #: 38-06070 Rev. *H
35. CE
36. Address in output mode. Host must not be driving address bus after t
37. Address in input mode. Host can drive address bus after t
38. 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
t
HAD
HCN
HA
t
Figure 20. Readback State of Address Counter or Mask Register
CH2
t
CYC2
1
= R/W = CNTRST = MRST = HIGH.
t
CL2
READBACK
(continued)
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
CY7C0850AV, CY7C0851AV
CY7C0852AV, CY7C0853AV
[35, 36, 37, 38]
A
Q
n+3
n+2
Q
A
n+3
n+4
Page 24 of 32
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