DS1554WP-120IND Maxim Integrated Products, DS1554WP-120IND Datasheet - Page 4

• Manufacturer Part Number: DS1554WP-120IND
• Description: Real Time Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS1554WP-120IND

• Function: Clock, Calendar, NV Timekeeping RAM, Watchdog Timekeeper
• Rtc Memory Size: 32768 B
• Supply Voltage (max): 3.63 V
• Supply Voltage (min): 2.97 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Rtc Bus Interface: Parallel
• Package / Case: PowerCap
• Time Format: HH:MM:SS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. Block Diagram
Table 1. Operating Modes
V
V
SO
CC
V
< V
CC
<V
V
> V
CC
SO
CC
< V
<V
PF
PF
PF
V
V
V
V
CE
X
X
IH
IL
IL
IL
V
OE
V
X
X
X
X
IH
IL
WE
V
V
V
X
X
X
IH
IH
IL
DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM
4 of 18
DQ0–DQ7
High-Z
High-Z
High-Z
High-Z
D
D
OUT
IN
Data Retention
Deselect
Deselect
MODE
Write
Read
Read
DS1554
Maxim
CMOS Standby
Battery Current
POWER
Standby
Active
Active
Active