CY7C4285V-25ASC Cypress Semiconductor Corp, CY7C4285V-25ASC Datasheet - Page 10

• Manufacturer Part Number: CY7C4285V-25ASC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4285V-25ASC

• Configuration: Dual
• Density: 1.125Mb
• Access Time (max): 15ns
• Word Size: 18b
• Organization: 64Kx18
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: TQFP
• Clock Freq (max): 40MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Supply Current: 30mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Switching Characteristics
Over the Operating Range
Note
Document #: 38-06012 Rev. *B
t
t
t
t
t
t
t
t
t
t
t
t
t
t
16. t
OHZ
WFF
REF
PAFasynch
PAFsynch
PAEasynch
PAEsynch
HF
XO
XI
XIS
SKEW1
SKEW2
SKEW3
Parameter
PAFasynch
, t
PAEasynch
Output Enable to Output in High Z
Write Clock to Full Flag
Read Clock to Empty Flag
Clock to Programmable Almost Full
Flag
V
Clock to Programmable Almost Full
Flag
(Synchronous mode, V
tied to V
Clock to Programmable Almost Empty
Flag
V
Clock to Programmable Almost Full
Flag (Synchronous mode,
V
Clock to Half Full Flag
Clock to Expansion Out
Expansion in Pulse Width
Expansion in Setup 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 Programmable Almost Full
Flags (Synchronous Mode only)
CC
CC
CC
/SMODE tied to V
/SMODE tied to V
/SMODE tied to V
, after program register write are valid until 5 ns + t
[16]
[16]
(Asynchronous mode,
(Asynchronous mode,
SS
)
Description
CC
CC
SS
CC
(continued)
)
)
)
/SMODE
[15]
7C4255/65/75/85V-10 7C4255/65/75/85V-15 7C4255/65/75/85V-25
Min
4.5
PAF(E)
10
3
4
5
5
.
Max
15
15
12
7
8
8
8
8
6
Min
6.5
15
3
5
6
6
CY7C4255V, CY7C4265V
CY7C4275V, CY7C4285V
Max
10
10
16
10
16
10
16
10
8
Min
10
10
10
10
18
3
Max
12
15
15
20
15
20
15
20
15
Page 10 of 21
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
[+] Feedback