CY7C4285-15ASC Cypress Semiconductor Corp, CY7C4285-15ASC Datasheet - Page 10
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CY7C4285-15ASC
Manufacturer Part Number
CY7C4285-15ASC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C4285-15ASC.pdf
(21 pages)
Specifications of CY7C4285-15ASC
Configuration
Dual
Density
1.125Mb
Access Time (max)
10ns
Word Size
18b
Organization
64Kx18
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
TQFP
Clock Freq (max)
66.7MHz
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Supply Current
50mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / Rohs Status
Not Compliant
Switching Waveforms
Document #: 38-06008 Rev. *A
Half-Full Flag Timing
Programmable Almost Empty Flag Timing
Note:
20. PAE is offset = n. Number of data words into FIFO already = n.
PAE
WCLK
WCLK
RCLK
RCLK
WEN
WEN
REN
REN
HF
[20]
(continued)
HALF FULL OR LESS
t
t
CLKH
CLKH
t
t
ENS
ENS
t
t
ENH
ENH
t
t
CLKL
CLKL
t
PAE
t
HF
t
t
ENS
ENS
HALF FULL + 1
N + 1 WORDS
OR MORE
IN FIFO
t
PAE
t
HF
HALF FULLOR LESS
n WORDS IN FIFO
CY7C4275
CY7C4285
Page 10 of 21
4275–12
4275–13
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