CY7C4241-15AC Datasheet Download

Part No.:
CY7C4241-15AC
Download:
Download Datasheet
Description:
[64/256/512/1K/2K/4K/8K x 9 Synchronous FIFOs]
File Size:
547 K
Page:
19 Pages
Logo:
Manufacturer:
CYPRESS [ CYPRESS SEMICONDUCTOR ]
PCB Prototype
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CY7C4421/4201/4211/4221
CY7C4231/4241/4251
AC Test Loads and Waveforms
R1 1.1 K
5V
OUTPUT
C
L
INCLUDING
JIG AND
SCOPE
R2
680Ω
Equivalent to:
3.0V
GND
3 ns
THÉVENIN EQUIVALENT
420Ω
OUTPUT
ALL INPUT PULSES
90%
10%
90%
10%
3 ns
1.91V
Switching Characteristics
Over the Operating Range
-10
Parameter
t
S
t
A
t
CLK
t
CLKH
t
CLKL
t
DS
t
DH
t
ENS
t
ENH
t
RS
t
RSS
t
RSR
t
RSF
t
OLZ
t
OE
t
OHZ
t
WFF
t
REF
t
PAF
t
PAE
t
SKEW1
t
SKEW2
Description
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
0
3
3
7
7
8
8
8
8
5
10
6
15
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
2
10
4.5
4.5
3
0.5
3
0.5
10
8
8
10
0
3
3
8
8
10
10
10
10
10
18
Min.
Max.
100
8
2
15
6
6
4
1
4
1
15
10
10
15
0
3
3
12
12
15
15
15
15
Min.
-15
Max.
66.7
10
2
25
10
10
6
1
6
1
25
15
15
25
Min.
-25
Max.
40
15
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes:
11. C
L
= 30 pF for all AC parameters except for t
OHZ
.
12. C
L
= 5 pF for t
OHZ
.
13. Pulse widths less than minimum values are not allowed.
14. Values guaranteed by design, not currently tested.
Document #: 38-06016 Rev. *C
Page 8 of 19