DS1647-120 Maxim Integrated Products, DS1647-120 Datasheet - Page 7

• Manufacturer Part Number: DS1647-120
• Description: Real Time Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS1647-120

• Function: Clock, Calendar, NV Timekeeping RAM
• Rtc Memory Size: 524288 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 (Noncondensing)………………………………………….….0°C to +70°C
Storage Temperature Range
Lead Temperature (soldering, 10s) …..………………….…….........................................................+260°C
Soldering Temperature (reflow, PowerCap) ......................................................................................+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 device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(T
DC ELECTRICAL CHARACTERISTICS
(V
CAPACITANCE
(T
PARAMETER
Supply Voltage
Logic 1 Voltage, All Inputs
Logic 0 Voltage, All Inputs
PARAMETER
Average V
TTL Standby Current (CE = V
CMOS Standby Current
(CE = V
Input Leakage Current (Any Input)
Output Leakage Current
Output Logic 1 Voltage
(I
Output Logic 0 Voltage
(I
Write-Protection Voltage
PARAMETER
Capacitance on All Pins (Except DQ)
Capacitance on DQ Pins
A
CC
A
OUT
OUT
= 0°C to +70°C)
= +25°C)
= 5.0V ±10%, T
= -1.0mA) (DQ0–DQ7)
= +2.1mA) (DQ0–DQ7, PFO)
EDIP .......................…………………………….…………………………………..-40°C to +85°C
PowerCap .............................................................................................................. -55°C to +125°C
Note: EDIP is wave or hand soldered only.
CC
CC
- 0.2V)
Power Supply Current
A
= 0°C to +70°C.)
IH
)
SYMBOL
SYMBOL
SYMBOL
V
V
I
I
I
V
C
V
V
V
I
I
CC1
CC2
CC3
C
OL
IL
DQ
OH
CC
OL
PF
IH
IL
I
7 of 12
MIN
MIN
MIN
-0.3
4.5
2.2
2.4
4.0
-1
-1
TYP
TYP
TYP
5.0
3
2
V
CC
MAX
MAX
MAX
+0.8
5.5
4.0
0.4
4.5
85
+1
+1
10
+ 0.3
6
7
UNITS
UNITS
UNITS
mA
mA
mA
µA
µA
pF
pF
V
V
V
V
V
V
DS1647/DS1647P
NOTES
NOTES
NOTES
2, 3
2, 3
2, 3
1