CDP1879 Intersil Corporation, CDP1879 Datasheet - Page 4

• Manufacturer Part Number: CDP1879
• Description: CMOS Real-Time Clock
• Manufacturer: Intersil Corporation

Static Electrical Specifications
Ouiescent Device Current
Output Low Drive (Sink)
Current, Data Bus and INT l
Output High Drive (Source)
Current, Data Bus and INT I
Output Low Drive (Sink)
Current, Clock Out
Output High Drive (Source)
Current, Clock Out
Output Low Drive (Sink)
Current, XTAL Out
Output High Drive (Source)
Current, XTAL Out
Output Voltage
Low-Level
(Note 2)
Output Voltage
High Level
(Note 2)
Input Low Voltage
Input High Voltage
Input Leakage Current
Three-State Output
Leakage Current
Operating Current (Note 3)
External Clock
External Clock
External Clock
External Clock
External Clock
External Clock
External Clock
External Clock
XTAL Oscillator (Note 4)
XTAL Oscillator (Note 4)
XTAL Oscillator (Note 4)
XTAL Oscillator (Note 4)
XTAL Oscillator (Note 4)
XTAL Oscillator (Note 4)
XTAL Oscillator (Note 4)
PARAMETER
I
l
I
I
V
V
V
V
I
I
32kHz
1MHz
2MHz
4MHz
32kHz
1MHz
2MHz
4MHz
32kHz
1MHz
2MHz
4MHz
1MHz
2MHz
4MHz
DD
OL
OH
OL
OH
l
OH
IN
OUT
OL
OL
OH
IL
IH
0.5, 4.5
0.5, 9.5
0.5, 9.5
0.5, 4.5
at T
Input
0,10
Any
0, 5
(V)
0.4
0.5
4.6
9.5
0.4
9.5
0.5
9.5
V
0.5
4.6
0.4
4.6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
O
A
CONDITIONS
-40
o
CDP1879, CDP1879C-1
C to +85
0, 10
0, 10
0, 10
0,10
0,10
0,10
0,10
0,10
0,10
0,10
0,10
V
0, 5
0, 5
0, 5
0, 5
0, 5
0, 5
0, 5
0, 5
0, 5
0, 5
(V)
0,5
IN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
o
C V
V
(V)
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
DD
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
DD
4-107
5%, Unless Otherwise Specified
-0.15
MIN
-1.1
-2.6
-1.1
-2.6
-0.3
1.8
3.6
0.6
1.2
0.2
0.4
4.9
9.9
3.5
7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
(NOTE 1)
CDP1879
0.01
0.01
0.35
0.03
TYP
-2.3
-4.4
-2.3
-4.4
-0.4
-0.7
1.4
0.9
0.2
0.7
0.4
0.8
1.6
0.1
0.3
0.4
0.6
1.6
1.8
10
1
4
7
3
2
0
0
5
2
-
-
-
-
-
-
-
-
MAX
0.15
0.25
0.25
200
0.1
0.1
1.5
1.5
4.5
0.5
0.6
0.8
3.5
50
3
1
2
2
3
3
5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
2
1
1
LIMITS
-0.15
MIN
-1.1
-1.1
0.6
0.2
4.9
3.5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CDPl879C-1
(NOTE 1)
TYP
0.02
0.01
0.35
-2.3
-2.3
-0.4
1.4
0.9
0.2
0.7
0.1
0.3
0.4
0.6
0
5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX
0.15
0.25
200
0.1
1.5
1.5
0.5
0.6
0.8
1
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
1
UNITS
mA
mA
V
A
A