DP8572AN National Semiconductor, DP8572AN Datasheet - Page 2

• Manufacturer Part Number: DP8572AN
• Description: IC REAL TIME CLOCK W/RAM 24 DIP
• Manufacturer: National Semiconductor
• Type: Clock/Calendar/NVSRAMr

Specifications of DP8572AN

• Memory Size: 44B
• Time Format: HH:MM:SS:hh (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *DP8572AN; DP8572

8572A
Absolute Maximum Ratings
Specifications for the 883 version of this product are
listed separately
Supply Voltage (V
DC Input Voltage (V
DC Output Voltage (V
Storage Temperature Range
Power Dissipation (PD)
Lead Temperature (Soldering 10 sec )
DC Electrical Characteristics
V
Note 1 Absolute Maximum Ratings are those values beyond which damage to the device may occur
Note 2 Unless otherwise specified all voltages are referenced to ground
Note 3 For F
Note 4 This parameter (V
Note 5 This specification tests I
Note 6 This specification tests I
Note 7 OSC IN is driven by a signal generator Contents of the Test Register
Symbol
V
V
V
V
I
I
I
I
I
I
I
IN
OZ
LKG
CC
CC
BB
BLK
CC
IH
IL
OH
OL
e
Single Supply Mode Data retention voltage is 2 2V min
In single Supply Mode (Power connected to V
5V
OSC
g
10% V
e
High Level Input Voltage
(Note 4)
Low Level Input Voltage
High Level Output Voltage
(Excluding OSC OUT)
Low Level Output Voltage
(Excluding OSC OUT)
Input Current (Except OSC IN)
Output TRI-STATE Current
Output High Leakage Current
MFO INTR Pins
Quiescent Supply Current
(Note 7)
Quiescent Supply Current
(Single Supply Mode)
(Note 7)
Standby Mode Battery
Supply Current
(Note 7)
Battery Leakage
4 194304 or 4 9152 MHz V
CC
IN
)
IH
BB
OUT
)
) is not tested on all pins at the same time
e
)
CC
CC
Parameter
3V V
with all power fail circuitry disabled by setting D7 of Interrupt Control Register 1 to 0
with all power fail circuitry enabled by setting D7 of Interrupt Control Register 1 to 1
PFAIL l
b
b
BB
0 5V to V
0 5V to V
b
minimum
V
CC
b
65 C to
IH
0 5V to
pin) 4 5V
C
(Notes 1
L
CC
CC
e
e
a
500 mW
2 8V In battery backed mode V
a
a
a
100 pF (unless otherwise specified)
s
150 C
260 C
Any Inputs Except OSC IN
OSC IN with External Clock
All Inputs Except OSC IN
OSC IN with External Clock
I
I
I
I
V
V
V
Outputs Open Drain
F
V
V
V
F
V
V
V
V
F
F
V
OSC OUT
other pins
F
F
2 2V
other pins at GND
V
V
7 0V
0 5V
0 5V
OUT
OUT
OUT
OUT
V
OSC
OSC
OSC
OSC
OSC
OSC
IN
OUT
OUT
IN
IN
IN
IN
IN
BB
IN
CC
CC
CC
CC s
2)
e
e
e
e
e
e
e
e
e
e
e
s
e b
e b
e
e
e
e
e
e
e
e
e
e
V
V
V
V
V
V
V
5 5V
GND
GND
GND V
5 5V V
V
Conditions
20 A
4 0 mA
e
CC
CC
CC
IH
CC
IH
CC
2
32 768 kHz
4 194304 MHz or
4 9152 MHz
32 768 kHz
4 9152 MHz or
4 194304 MHz
32 768 kHz
4 9152 MHz or
4 194304 MHz
V
V
BB s
20 A
4 0 mA
CC
CC
e
00(H) and the MFO pin is not configured as buffered oscillator out
or V
or V
e
or GND
or GND (Note 5)
or GND (Note 6)
or GND (Note 6)
or GND
Operation Conditions
Supply Voltage (V
Supply Voltage (V
DC Input or Output Voltage
Operation Temperature (T
Electr-Static Discharge Rating TBD
Transistor Count
Typical Values
GND
open circuit
or GND
or GND
IL
IL
BB
4 0V
BB
(V
JA
JA
(Note 6)
(Note 6)
IN
e
e
DIP
PLCC
V
2 2V
4 0V
OUT
BB s
)
V
CC
Board
Socket
Board
Socket
CC
BB
b
) (Note 3)
) (Note 3)
0 4V
V
V
BB
CC
Min
b
A
2 0
3 5
)
b
b
5
0 1
0 1
b
Min
4 5
2 2 V
0 0
g
g
g
Max
0 25
12 0
250
400
40
0 8
0 1
0 1
1 0
7 5
1 5
20
40
10
8
1 0
5 0
5 0
CC
Max
a
V
5 5
1
b
CC
85
0 4
59 C W
65 C W
80 C W
88 C W
10 300
Units
mA
mA
mA
mA
mA
Unit
V
V
V
V
V
V
V
V
kV
A
A
A
A
A
A
A
A
A
V
V
V
C