CY7C4281V CYPRESS [Cypress Semiconductor], CY7C4281V Datasheet - Page 7

• Manufacturer Part Number: CY7C4281V
• Description: 16K/32K/64K/128K x 9 Low-Voltage Deep Sync FIFOs
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-06013 Rev. *A
AC Test Loads and Waveforms
Switching Characteristics
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Notes:
10. Pulse widths less than minimum values are not allowed.
11. Values guaranteed by design, not currently tested.
S
A
CLK
CLKH
CLKL
DS
DH
ENS
ENH
RS
RSS
RSR
RSF
OLZ
OE
OHZ
WFF
REF
PAF
PAE
SKEW1
SKEW2
Parameter
I/O
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 Set-up Time
Reset Recovery Time
Reset to Flag and Output 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
Clock to Programmable Almost-Full Flag
Skew Time between Read Clock and Write
Clock for Empty Flag and Full Flag
Skew Time between Read Clock and Write
Clock for Almost-Empty Flag and
Almost-Full Flag
Z0=50
Description
50
[10]
Over the Operating Range
V
CC/2
(continued)
[11]
[11]
(-10)
7C4261/71/81/91V-
Min.
4.5
4.5
3.5
3.5
10
10
10
2
0
0
8
8
0
3
3
5
GND
3.0V
10
Max.
100
10
3 ns
8
7
7
8
8
8
8
7C4261/71/81/91V-
Min.
All Input Pulses
10%
15
15
10
10
15
2
6
6
4
0
4
0
0
3
3
6
90%
CY7C4261V/CY7C4271V
CY7C4281V/CY7C4291V
15
Max.
66.7
10
15
10
10
10
10
10
8
7C4261/71/81/91V-
Min.
90%
25
10
10
25
15
15
10
18
2
6
1
6
1
0
3
3
10%
25
3 ns
Max.
40
15
25
12
12
15
15
15
15
Page 7 of 16
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns