CY7C1031-10JC Cypress Semiconductor Corp, CY7C1031-10JC Datasheet - Page 3

• Manufacturer Part Number: CY7C1031-10JC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1031-10JC

• Density: 1Mb
• Access Time (max): 10ns
• Operating Supply Voltage (typ): 5V
• Package Type: LCC
• Operating Temp Range: 0C to 70C
• Supply Current: 280mA
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Word Size: 18b
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05278 Rev. *A
Application Example
Figure 1 shows a 512-Kbyte secondary cache for the Pentium
microprocessor using four CY7C1031 cache RAMs.
Pin Definitions
V
V
GND
V
CLK
A
ADSP
ADSC
WH
WL
ADV
OE
CS
DQ
DP
CC
CCQ
SSQ
15
1
15
– A
–DP
–DQ
Signal Name
0
0
0
PROCESSOR
CACHE
PENTIUM
TAG
MATCH
66-MHz OSC
CLK
DIRTY
CLK
VALID
ADS
DATA
DATA
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input/Output
Input/Output
ADR
ADR
CD
Type
Figure 1. Cache Using Four CY7C1031s
MATCH
DIRTY
VALID
ADR
DATA
ADSP
CLK
# of Pins
16
16
ADSC ADV OE WH
1
1
2
1
4
1
4
1
1
1
1
1
1
512 KB
ADR
DATA
ADSP
ADSC
ADV
OE
CLK
7C1031
CONTROLLER
WH, WL
CACHE
+5V Power
+5V or 3.3V (Outputs)
Ground
Ground (Outputs)
Clock
Address
Address Strobe from Processor
Address Strobe from Cache Controller
Write Enable – High Byte
Write Enable – Low Byte
Advance
Output Enable
Chip Select
Regular Data
Parity Data
WL
2
0
0
,
WH, WL
WH
WL
1
1
2
,
WH, WL
WH
WL
2
2
2
,
WH, WL
WH
WL
Description
3
2
3
,
INTERFACE TO
MAIN MEMORY
CY7C1031
CY7C1032
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