DS1643-70+ Maxim Integrated Products, DS1643-70+ Datasheet - Page 7

• Manufacturer Part Number: DS1643-70+
• Description: Real Time Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS1643-70+

• Function: Clock, Calendar, NV Timekeeping RAM
• Rtc Memory Size: 8192 B
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Parallel
• Package / Case: eDIP
• Time Format: HH:MM:SS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V
Operating Temperature Range………………………………………………0°C to +70°C, Noncondensing
Storage Temperature (EDIP) ……………………………………………-40°C to +85°C, Noncondensing
Storage Temperature (PowerCap) ………………………………………-55°C to +125°C, Noncondensing
Lead Temperature (soldering, 10 seconds)………………………… . . . . . . . . . . . . . . . . . . . . ……+260°C
Soldering Temperature (PowerCap reflow) . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect
reliability.
RECOMMENDED DC OPERATING CONDITIONS
(T
Supply Voltage
Logic 1 Voltage All Inputs
Logic 0 Voltage All Inputs
DC ELECTRICAL CHARACTERISTICS
(V
Active Supply Current
TTL Standby Current
(
CMOS Standby Current
(
Input Leakage Current (Any Input)
Output Leakage Current (Any Output)
Output Logic 1 Voltage
(I
Output Logic 0 Voltage
(I
Write Protection Voltage
CE
CE
OUT
OUT
Note: EDIP is hand or wave-soldered only (Note 7).
A
CC
= 0C to +70C)
= V
= V
= -1.0mA)
= +2.1mA)
= 5.0V 10%, T
IH
CC
, CE2 = V
- 0.2V
PARAMETER
PARAMETER
,
CE2 = GND + 0.2V)
IL
)
A
= 0C to70C.)
SYMBOL
SYMBOL
V
V
V
I
I
V
V
V
I
I
I
CC1
CC2
CC
OL
IL
CC
OH
OL
IH
PF
IL
7 of 17
MIN
MIN
4.25
-0.3
4.5
2.2
2.4
-1
-1
TYP
TYP
4.37
5.0
15
1
1
V
CC
MAX
MAX
+0.8
4.50
5.5
0.4
+1
+1
50
3
3
+ 0.3
UNITS
UNITS
mA
mA
mA
A
A
V
V
V
V
DS1643/DS1643P
NOTES
NOTES
2, 3
2, 3
2, 3
1
1
1