MAX6902ETA+T Maxim Integrated Products, MAX6902ETA+T Datasheet - Page 12

• Manufacturer Part Number: MAX6902ETA+T
• Description: IC RTC SPI COMPAT 8-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of MAX6902ETA+T

• Memory Size: 31B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX6902ETA+TTR

SPI-Compatible RTC in a TDFN
Figure 3b. Burst Write
Figure 4a. Single Read
Figure 4b. Burst Read
12
CS
SCLK
DIN
DOUT
* R = RAM/REGISTER SELECT BIT; RAM = 1, REGISTER = 0.
** ONLY ONE ADDRESS/COMMAND BYTE IS REQUIRED PER BURST TRANSACTION.
CS
SCLK
DIN
DOUT
* R = RAM/REGISTER SELECT BIT; RAM = 1, REGISTER = 0.
** ONLY ONE ADDRESS/COMMAND BYTE IS REQUIRED PER BURST TRANSACTION.
______________________________________________________________________________________
1
* R = RAM/REGISTER SELECT BIT; RAM = 1, REGISTER = 0.
0
R*
R*
ADDRESS/COMMAND BYTE**
CS
SCLK
DIN
DOUT
1
1
HIGH IMPEDANCE
ADDRESS/COMMAND BYTE**
1
1
1
1
1
R*
HIGH IMPEDANCE; NO ACTIVITY ON DOUT LINE DURING WRITES.
1
1
A5
ADDRESS/COMMAND BYTE
HIGH IMPEDANCE
1
1
A4
1
1
A3
D7
D7
A2
D6
D6
D5
A1
D5
DATA BYTE 1
D4
DATA BYTE 1
D4
1
D3
D3
D7
D2
D2
D6
D1
D1
D5
D0
D0
D4
D7
DATA BYTE
D7
D3
D6
D6
D2
D5
D5
D1
DATA BYTE N
DATA BYTE N
D4
D4
D0
D3
D3
D2
D2
D1
D1
D0
D0