CY7C145
CY7C144
Selection Guide
7C144-15
7C145-15
Maximum Access Time (ns)
Maximum Operating
Current (mA)
Maximum Standby
Current for I
SB1
(mA)
15
220
60
7C144-25
7C145-25
25
180
40
7C144-35
7C145-35
35
160
30
7C144-55
7C145-55
55
160
30
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature
..................................... −65°C
to +150°C
Ambient Temperature with
Power Applied..................................................
−55°C
to +125°C
Supply Voltage to Ground Potential
.................−0.5V
to +7.0V
DC Voltage Applied to Outputs
in High Z State
.....................................................−0.5V
to +7.0V
DC Input Voltage
[5]
..............................................−0.5V
to +7.0V
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage .......................................... >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current .................................................... >200 mA
Operating Range
Range
Commercial
Industrial
Ambient
Temperature
0
°
C to +70
°
C
−40
°
C to +85
°
C
V
CC
5V
±
10%
5V
±
10%
Electrical Characteristics
Over the Operating Range
7C144-15
7C145-15
Parameter
V
OH
V
OL
V
IH
V
IL
I
IX
I
OZ
I
CC
I
SB1
I
SB2
I
SB3
Description
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Leakage Current
Output Leakage Current
Operating Current
Standby Current
(Both Ports TTL Levels)
Standby Current
(One Port TTL Level)
GND < V
I
< V
CC
Outputs Disabled, GND < V
O
< V
CC
V
CC
= Max., I
OUT
= 0 mA
Com’l
Outputs Disabled
Ind
CE
L
and CE
R
> V
IH
,
f = f
MAX[7]
CE
L
or CE
R
> V
IH
,
f = f
MAX[7]
Com’l
Ind
Com’l
Ind
Com’l
Ind
Com’l
Ind
125
15
130
−10
−10
Test Conditions
V
CC
= Min., I
OH
=
−4.0
mA
V
CC
= Min., I
OL
= 4.0 mA
Min.
2.4
0.4
2.2
0.8
+10
+10
220
60
−10
−10
2.2
0.8
+10
+10
180
190
40
50
110
120
15
30
100
115
mA
mA
mA
mA
Max.
7C144-25
7C145-25
Min.
2.4
0.4
Max.
Unit
V
V
V
V
µA
µA
mA
Standby Current
Both Ports
(Both Ports CMOS Levels) CE and CE
R
> V
CC
– 0.2V,
V
IN
> V
CC
– 0.2V
or V
IN
< 0.2V, f = 0
[7]
Standby Current
(One Port CMOS Level)
One Port
CE
L
or CE
R
> V
CC
– 0.2V,
V
IN
> V
CC
– 0.2V or
V
IN
< 0.2V, Active
Port Outputs, f = f
MAX[7]
I
SB4
Notes:
5. Pulse width < 20 ns.
6. T
A
is the “instant on” case temperature.
7. f
MAX
= 1/t
RC
= All inputs cycling at f = 1/t
RC
(except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS
level standby I
SB3
.
4
CYPRESS [ CYPRESS SEMICONDUCTOR ]
