CY7C4255-15AXC Cypress Semiconductor Corp, CY7C4255-15AXC Datasheet - Page 6

• Manufacturer Part Number: CY7C4255-15AXC
• Description: IC SYNC FIFO MEM 8KX18 64LQFP
• Manufacturer: Cypress Semiconductor Corp
• Series: CY7Cr

Specifications of CY7C4255-15AXC

• Function: Synchronous
• Memory Size: 144K (8K x 18)
• Data Rate: 100MHz
• Access Time: 10ns
• Voltage - Supply: 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Configuration: Dual
• Density: 144Kb
• Access Time (max): 10ns
• Word Size: 18b
• Organization: 8Kx18
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Clock Freq (max): 66.7MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 45mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Switching Characteristics
Document #: 38-06004 Rev. *E
t
t
t
t
t
Notes
Parameter
XI
XIS
SKEW1
SKEW2
SKEW3
10. C
11. C
12. Pulse widths less than minimum values are not enabled.
13. Values guaranteed by design, not currently tested.
14. t
PAFasynch
L
L
= 30 pF for all AC parameters except for t
= 5 pF for t
, t
Expansion in Pulse Width
Expansion in Set-Up Time
Skew Time between Read Clock and Write Clock
for Full Flag
Skew Time between Read Clock and Write Clock
for Empty Flag
Skew Time between Read Clock and Write Clock
for Programmable Almost Empty and Program-
mable Almost Full Flags (Synchronous Mode
only)
PAEasynch
OHZ
.
, after program register write is not be valid until 5 ns + t
Description
Over the Operating Range (continued)
OHZ
.
PAF(E)
Min
4.5
7C42X5-10
10
4
5
5
.
Max
CY7C4255, CY7C4265, CY7C4265A
7C4265A-15
Min
6.5
15
5
6
6
7C42X5,
Max
Min
7C42X5-25
10
10
10
10
18
Max
Min
7C42X5-35
14
15
12
12
20
Max
Page 6 of 23
Unit
ns
ns
ns
ns
ns
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