DS14285SN+T&R Maxim Integrated, DS14285SN+T&R Datasheet - Page 2

• Manufacturer Part Number: DS14285SN+T&R
• Description: Real Time Clock
• Manufacturer: Maxim Integrated
• Series: DS14285, DS14287r

Specifications of DS14285SN+T&R

• Rohs: yes
• Function: Clock, Calendar, NV SRAM Control
• Rtc Bus Interface: Multiplexed
• Date Format: DW
• Time Format: HH
• Rtc Memory Size: 114 B
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-24

ORDERING INFORMATION
+ Denotes a lead-free/RoHS-compliant device.
* A “+” anywhere on the top mark denotes a lead-free/RoHS-compliant device. An “N” denotes an industrial temperature grade device.
PIN DESCRIPTION
AD0-AD7
NC
MOT
AS
R/
DS
SQW
V
GND
V
X1, X2
V
CS
RESET
IRQ
CEI
CEO
DS14285
DS14285+
DS14285N
DS14285N+
DS14285Q
DS14285Q+
DS14285QN
DS14285QN+
DS14285S
DS14285S+
DS14285SN
DS14285SN+
DS14285SN/T&R
DS14285SN+T&R
DS14285S/T&R
DS14285S+T&R
DS14287
DS14287+
CC
CCO
BAT
W
PART
- RAM Power Supply Output
- +3V Battery Input
- Multiplexed Address/Data Bus
- No Connection
- Bus Type Select (DS14285Q only)
- Chip Select
- Address Strobe
- Read/Write Input
- Data Strobe
- Reset Input
- Interrupt Request Output
- Square Wave Output
- +5V Supply
- Ground
- RAM Chip Enable In
- RAM Chip Enable Out
- 32.768 kHz Crystal Connections
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
VOLTAGE (V)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
2 of 26
PIN-PACKAGE
24 DIP (0.600″)
24 DIP (0.600″)
24 DIP (0.600″)
24 DIP (0.600″)
28 PLCC
28 PLCC
28 PLCC
28 PLCC
24 SO (0.300″)
24 SO (0.300″)
24 SO (0.300″)
24 SO (0.300″)
24 SO (0.300″)/Tape & Reel
24 SO (0.300″)/Tape & Reel
24 SO (0.300″)/Tape & Reel
24 SO (0.300″)/Tape & Reel
24 EDIP (0.740″)
24 EDIP (0.740″)
TOP MARK*
DS14285
DS14285
DS14285N
DS14285N
DS14285Q
DS14285Q
DS14285QN
DS14285QN
DS14285S
DS14285S
DS14285SN
DS14285SN
DS14285SN
DS14285SN
DS14285S
DS14285S
DS14287
DS14287