DS1338U-33+ Maxim Integrated Products, DS1338U-33+ Datasheet - Page 5

• Manufacturer Part Number: DS1338U-33+
• Description: IC RTC 56BYTE NV RAM 3.3V 8-USOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS1338U-33+

• Memory Size: 56B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Function: Clock/Calendar
• Rtc Memory Size: 56 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (I2C)
• Supply Current: 325 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2. Timing Diagram
Figure 3. Block Diagram
"C" VERSION ONLY
GND
V
SDA
V
SCL
BAT
CC
X1
X2
AND ADDRESS
C
C
SERIAL BUS
INTERFACE
REGISTER
CONTROL
L
L
POWER
and divider
Oscillator
1Hz/4.096kHz/8.192kHz/32.768kHz
CONTROL
DS1338
5 of 16
LOGIC
1Hz
AND CONTROL
USER BUFFER
DS1338 I
CALENDAR,
REGISTERS
BUFFER
(7 BYTES)
CLOCK,
MUX/
(56 X 8)
RAM
2
C RTC with 56-Byte NV RAM
N
SQW/OUT