CY7C4241-25AXCT Cypress Semiconductor Corp, CY7C4241-25AXCT Datasheet - Page 8

• Manufacturer Part Number: CY7C4241-25AXCT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4241-25AXCT

• Configuration: Dual
• Density: 32Kb
• Access Time (max): 15ns
• Word Size: 9b
• Organization: 4Kx9
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Clock Freq (max): 40MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 35mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Compliant

Document #: 38-06016 Rev. *C
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:
11. C
12. C
13. Pulse widths less than minimum values are not allowed.
14. 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
L
L
= 30 pF for all AC parameters except for t
= 5 pF for t
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
OHZ
OUTPUT
.
INCLUDING
5V
JIG AND
SCOPE
C
L
Description
[13]
R1 1.1 K Ω
Over the Operating Range
OHZ
Equivalent to:
[11, 12]
.
R2
680Ω
[14]
[14]
OUTPUT
THÉ VENIN EQUIVALENT
Min.
4.5
4.5
0.5
0.5
10
10
10
2
3
3
8
8
0
3
3
5
GND
3.0V
420Ω
-10
≤ 3 ns
Max.
100
10
8
7
7
8
8
8
8
CY7C4421/4201/4211/4221
1.91V
Min.
15
15
10
10
15
ALL INPUT PULSES
2
6
6
4
1
4
1
0
3
3
6
10%
90%
-15
CY7C4231/4241/4251
Max.
66.7
10
15
10
10
10
10
8
8
Min.
25
10
10
25
15
15
10
18
2
6
1
6
1
0
3
3
90%
-25
10%
Max.
≤ 3 ns
40
15
25
12
12
15
15
15
15
Page 8 of 19
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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