CY7C4421/4201/4211/4221
CY7C4231/4241/4251
Electrical Characteristics
Over the Operating Range
-10
Parameter
V
OH
V
OL
V
IH
V
IL
I
IX
I
OS[6]
I
OZL
I
OZH
I
CC1[7]
I
CC2[8]
Description
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Leakage
Current
Output Short
Circuit Current
Output OFF,
High-Z Current
Active Power Supply
Current
Average Standby
Current
V
CC
= Max.
V
CC
= Max.,
V
OUT
= GND
OE > V
IH
,
V
SS
< V
O
< V
CC
Commercial
Industrial
Commercial
Industrial
Test Conditions
V
CC
= Min.,
I
OH
= –2.0 mA
V
CC
= Min.,
I
OL
= 8.0 mA
2.2
–3.0
–10
–90
–10
+10
35
40
10
15
Min.
2.4
0.4
V
CC
0.8
+10
2.2
–3.0
–10
–90
–10
+10
35
40
10
15
Max.
Min.
2.4
0.4
V
CC
0.8
+10
2.2
–3.0
–10
–90
–10
+10
35
40
10
15
-15
Max.
Min.
2.4
0.4
V
CC
0.8
+10
-25
Max.
Unit
V
V
V
V
µA
mA
mA
mA
mA
mA
mA
Capacitance
Parameter
C
IN
C
OUT
Description
Input Capacitance
Output Capacitance
Test Conditions
T
A
= 25
°
C, f = 1 MHz,
V
CC
= 5.0V
Max.
5
7
Unit
pF
pF
AC Test Loads and Waveforms
R1 1.1 K
Ω
5V
OUTPUT
C
L
INCLUDING
JIG AND
SCOPE
R2
680
Ω
Equivalent to:
3.0V
GND
≤
3 ns
THÉVENIN EQUIVALENT
420
Ω
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
Description
Clock Cycle Frequency
Data Access Time
Clock Cycle Time
Clock HIGH Time
Clock LOW Time
Data Set-up Time
2
10
4.5
4.5
3
Min.
Max.
100
8
2
15
6
6
4
Min.
-15
Max.
66.7
10
2
25
10
10
6
Min.
-25
Max.
40
15
Unit
MHz
ns
ns
ns
ns
ns
Notes:
5. See the last page of this specification for Group A subgroup testing information.
6. Test no more than one output at a time for not more than one second.
7. Outputs open. Tested at Frequency = 20 MHz.
8. All inputs = V
CC
– 0.2V, except WCLK and RCLK, which are switching at 20 MHz.
9. Tested initially and after any design or process changes that may affect these parameters.
10. C
L
= 30 pF for all AC parameters except for t
OHZ
.
11. C
L
= 5 pF for t
OHZ
.
Document #: 38-06016 Rev. *A
Page 7 of 18
CYPRESS [ CYPRESS SEMICONDUCTOR ]
