CY62256
Document #: 38-05248 Rev. *B
Page 2 of 11
Pin Configurations
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................................................... 0
°
C to +70
°
C
Supply Voltage to Ground Potential
(Pin 28 to Pin 14) ........................................... –0.5V to +7.0V
DC Voltage Applied to Outputs
in High-Z State
[2]
....................................–0.5V to V
CC
+ 0.5V
DC Input Voltage
[2]
................................ –0.5V to V
CC
+ 0.5V
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage.......................................... > 2001V
(per MIL-STD-883, Method 3015)
Latch-up Current.................................................... > 200 mA
1
2
3
4
5
6
7
8
9
10
11
14
15
16
20
19
18
17
21
24
23
22
Top View
Narrow SOIC
12
13
25
28
27
26
GND
A6
A7
A8
A9
A10
A11
A12
A13
WE
VCC
A
4
A3
A2
A1
I/O7
I/O6
I/O5
I/O4
A14
A5
I/O0
I/O1
I/O2
CE
OE
A0
I/O3
22
23
24
25
26
27
28
1
2
5
10
11
15
14
13
12
16
19
18
17
3
4
20
21
7
6
8
9
OE
A
1
A
2
A
3
A
4
WE
V
CC
A
5
A
6
A
7
A
8
A
9
A
0
CE
I/O
7
I/O
6
I/O
5
GND
I/O
2
I/O
1
I/O
4
I/O
0
A
14
A
10
A
11
A
13
A
12
I/O
3
TSOP I
Top View
(not to scale)
Reverse Pinout
22
23
24
25
26
27
28
1
2
5
10
11
15
14
13
12
16
19
18
17
3
4
20
21
7
6
8
9
OE
A
1
A
2
A
3
A
4
WE
V
CC
A
5
A
6
A
7
A
8
A
9
A
0
CE
I/O
7
I/O
6
I/O
5
GND
I/O
2
I/O
1
I/O
4
I/O
0
A
14
A
10
A
11
A
13
A
12
I/O
3
TSOP I
Top View
(not to scale)
1
2
3
4
5
6
7
8
9
10
11
14
15
16
20
19
18
17
21
24
23
22
Top View
DIP
12
13
25
28
27
26
GND
A6
A7
A8
A9
A10
A11
A12
A13
WE
VCC
A
4
A3
A2
A1
I/O7
I/O6
I/O5
I/O4
A14
A5
I/O0
I/O1
I/O2
CE
OE
A0
I/O3
Operating Range
Range
Ambient Temperature
V
CC
Commercial
0
°
C to +70
°
C
5V
±
10%
Industrial
–40
°
C to +85
°
C
5V
±
10%
Electrical Characteristics
Over the Operating Range
Parameter
Description
Test Conditions
CY62256
−
55
CY62256
−
70
Unit
Min. Typ.
[3]
Max.
Min. Typ.
[3]
Max.
V
OH
Output HIGH Voltage
V
CC
= Min., I
OH
=
−
1.0 mA
2.4
2.4
V
V
OL
Output LOW Voltage
V
CC
= Min., I
OL
= 2.1 mA
0.4
0.4
V
V
IH
Input HIGH Voltage
2.2
V
CC
+0.5V
2.2
V
CC
+0.5V
V
V
IL
Input LOW Voltage
–0.5
0.8
–0.5
0.8
V
I
IX
Input Leakage Current
GND < V
I
< V
CC
–0.5
+0.5
–0.5
+0.5
µ
A
I
OZ
Output Leakage Current GND < V
O
< V
CC
, Output Disabled
–0.5
+0.5
–0.5
+0.5
µ
A
I
CC
V
CC
Operating Supply
Current
V
CC
= Max., I
OUT
= 0 mA,
f = f
MAX
= 1/t
RC
28
55
28
55
mA
L
25
50
25
50
mA
LL
25
50
25
50
mA
I
SB1
Automatic CE
Power-down Current—
TTL Inputs
Max. V
CC
, CE > V
IH
,
V
IN
> V
IH
or V
IN
< V
IL
, f = f
MAX
0.5
2
0.5
2
mA
L
0.4
0.6
0.4
0.6
mA
LL
0.3
0.5
0.3
0.5
mA
Notes:
2.
V
IL
(min.)
=
−
2.0V for pulse durations of less than 20 ns.
3.
Typical specifications are the mean values measured over a large sample size across normal production process variations and are taken at nominal conditions
(T
A
= 25
°
C, V
CC
). Parameters are guaranteed by design and characterization, and not 100% tested.
