CY7C0851V-167BBC Cypress Semiconductor Corp, CY7C0851V-167BBC Datasheet - Page 28

IC,SYNC SRAM,64KX36,CMOS,BGA,172PIN,PLASTIC

CY7C0851V-167BBC

Manufacturer Part Number
CY7C0851V-167BBC
Description
IC,SYNC SRAM,64KX36,CMOS,BGA,172PIN,PLASTIC
Manufacturer
Cypress Semiconductor Corp
Datasheet

Specifications of CY7C0851V-167BBC

Format - Memory
RAM
Memory Type
SRAM - Dual Port, Synchronous
Memory Size
2M (64K x 36)
Speed
167MHz
Interface
Parallel
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Package / Case
172-LFBGA
Lead Free Status / RoHS Status
Contains lead / RoHS compliant by exemption

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Document #: 38-06059 Rev. *I
Switching Waveforms
MailBox Interrupt Timing
Table 6. Read/Write and Enable Operation (Any Port)
Notes:
45. CE
46. Address “1FFFF” is the mailbox location for R_Port.
47. L_Port is configured for Write operation, and R_Port is configured for Read operation.
48. At least one byte enable (B0 – B3) is required to be active during interrupt operations.
49. Interrupt flag is set with respect to the rising edge of the Write clock, and is reset with respect to the rising edge of the Read clock.
50. OE is an asynchronous input signal.
51. When CE changes state, deselection and Read happen after one cycle of latency.
52. CE
CLK
L_PORT
ADDRESS
INT
CLK
R_PORT
ADDRESS
OE
R
X
X
X
H
L
L
R
0
0
= OE = ADS = CNTEN = LOW; CE
= OE = LOW; CE
CLK
X
t
CH2
1
= R/W = HIGH.
t
CH2
t
[45, 46, 47, 48, 49]
CYC2
Inputs
t
CYC2
(continued)
t
CE
CL2
H
X
L
L
L
t
t
1FFFF
SA
CL2
0
1
t
SA
= CNTRST = MRST = CNT/MSK = HIGH.
A
t
HA
m
t
t
HA
SINT
CE
X
H
H
H
L
1
A
n
A
R/W
[1, 4, 50, 51, 52]
m+1
X
X
H
X
L
A
n+1
DQ
1FFFF
Outputs
High-Z
High-Z
High-Z
D
0
D
OUT
– DQ
IN
t
RINT
35
CY7C0851V/CY7C0852V
CY7C0831V/CY7C0832V
A
n+2
Deselected
Deselected
Write
Read
Outputs Disabled
A
m+3
Operation
A
n+3
A
m+4
Page 28 of 32

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