cdp1871ac Intersil Corporation, cdp1871ac Datasheet - Page 4

• Manufacturer Part Number: cdp1871ac
• Description: Cmos Keyboard Encoder
• Manufacturer: Intersil Corporation

Static Electrical Specifications
NOTE:
Output High Drive (Source)
Current
Input Low Voltage
(Except Debounce)
Input High Voltage
(Except Debounce)
Debounce Schmitt Trigger
Input Voltage
Output Voltage Low Level
Output Voltage High Level
Input Leakage Current
(Except S1-S8, Shift,
Control)
Three-State Output Leakage
Current
Pull-Down Resistor Value
(S1-S8, Shift, Control)
Operating Current
(All Outputs Unloaded)
1. Typical values are for T
Positive Trigger Voltage
Negative Trigger Voltage
Hysteresis
f
f
CL
CL
= 0.4MHz
= 0.8MHz
PARAMETER
A
= +25
CDP1871A, CDP1871ACCDP1871A, CDP1871AC
I
I
OPER
V
V
R
I
V
OUT
V
V
V
V
I
OH
OH
IN
OL
PD
IH
IL
D
N
H
o
C and nominal V
0.5, 4.5
0.5, 4.5
0.5, 4.5
0, 10
At T
1, 9
1, 9
0, 5
1, 9
(V)
4.6
9.5
0.4
0.5
0.4
0.5
0.4
0.5
V
-
-
-
-
-
-
-
O
A
CONDITIONS
= -40 to +85
0, 10
0, 10
0, 10
0, 10
0, 10
0, 10
0, 10
0, 5
0, 5
0, 5
0, 5
0, 5
0, 5
0, 5
DD
V
(V)
-
-
-
-
-
-
-
-
-
IN
.
o
C, Unless Otherwise Specified (Continued)
V
(V)
10
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
DD
-
4-69
-0.75
4.95
9.95
MIN
-0.3
3.5
2.0
4.0
0.8
1.9
0.3
0.7
7
7
-
-
-
-
-
-
-
-
-
-
CDP1871AD
CDP1871AE
(NOTE 1)
TYP
0.01
0.01
0.01
0.02
-0.6
-1.5
3.3
6.3
1.8
4.0
1.6
2.3
0.6
2.7
10
14
0
0
5
-
-
-
-
MAX
0.05
0.05
1.5
4.0
8.0
3.0
6.0
2.6
4.7
24
3
1
1
1
2
-
-
-
-
-
-
-
-
LIMITS
4.95
MIN
-0.3
3.5
2.0
0.8
0.3
7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CDP1871ACD
CDP1871ACE
(NOTE1)
TYP
0.01
0.02
-0.6
3.3
1.8
1.6
0.6
14
0
5
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX
0.05
1.5
4.0
3.0
2.6
24
1
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNITS
mA
mA
mA
mA
k
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A