CY7C4255-10AXCT Cypress Semiconductor Corp, CY7C4255-10AXCT Datasheet - Page 5

• Manufacturer Part Number: CY7C4255-10AXCT
• Description: IC SYNC FIFO MEM 8KX18 64LQFP
• Manufacturer: Cypress Semiconductor Corp
• Series: CY7Cr

Specifications of CY7C4255-10AXCT

• Function: Synchronous
• Memory Size: 144K (8K x 18)
• Data Rate: 100MHz
• Access Time: 8ns
• Voltage - Supply: 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC Test Loads and Waveforms
Switching Characteristics
Document #: 38-06004 Rev. *A
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Notes:
Parameter
10. C
11. C
12. Pulse widths less than minimum values are not allowed.
13. Values guaranteed by design, not currently tested.
14. t
S
A
CLK
CLKH
CLKL
DS
DH
ENS
ENH
RS
RSR
RSF
PRT
RTR
OLZ
OE
OHZ
WFF
REF
PAFasynch
PAFsynch
PAEasynch
OUTPUT
PAFasynch
L
L
INCLUDING
5V
= 30 pF for all AC parameters except for t
= 5 pF for t
JIG AND
SCOPE
, t
PAEasynch
Clock Cycle Frequency
Data Access Time
Clock Cycle Time
Clock HIGH Time
Clock LOW Time
Data Set-Up Time
Data Hold Time
Enable Set-Up Time
Enable Hold Time
Reset Pulse Width
Reset Recovery Time
Reset to Flag and Output Time
Retransmit Pulse Width
Retransmit Recovery Time
Output Enable to Output in Low Z
Output Enable to Output Valid
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
Clock to Programmable Almost-Empty Flag
C
(Asynchronous mode, V
(Synchronous mode, V
(Asynchronous mode, V
CC
L
OHZ
)
R1 1.1 K
.
, after program register write will not be valid until 5 ns + t
R2
680
4255–4
Description
[12]
Over the Operating Range
CC
CC
CC
/SMODE tied to V
[10, 11]
/SMODE tied to V
Equivalent to:
/SMODE tied to
OHZ
.
[12]
[13]
[13]
CC
OUTPUT
[14]
)
SS
THÉ VENIN EQUIVALENT
PAF(E)
)
.
Min. Max. Min. Max. Min. Max.
7C42X5-10
4.5
4.5
0.5
0.5
10
10
30
60
GND
2
3
3
8
0
3
3
3.0V
100
3 ns
10
12
12
8
7
7
8
8
8
410
7C42X5-15
15
15
10
35
65
2
6
6
4
1
4
1
0
3
3
ALL INPUT PULSES
10%
90%
66.7
10
15
10
10
16
10
16
1.91V
8
8
7C42X5-25
25
10
10
25
15
45
75
2
6
1
6
1
0
3
3
40
15
25
12
12
15
15
20
15
20
90%
10%
7C42X5-35
Min.
35
14
14
35
20
55
85
2
7
2
7
2
0
3
3
3 ns
CY7C4255
CY7C4265
4255–5
Max.
28.6
Page 5 of 22
20
35
15
15
20
20
25
20
25
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns