DS1254YB2-100 Maxim Integrated, DS1254YB2-100 Datasheet - Page 16

• Manufacturer Part Number: DS1254YB2-100
• Description: Real Time Clock 2M X 8 NV SRAM w/Phantom Clock
• Manufacturer: Maxim Integrated
• Series: DS1254r

Specifications of DS1254YB2-100

• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: BGA
• Part # Aliases: 90-1254Y-B11

DS1254
PACKAGE INFORMATION (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package
outline information, go to www.maxim-ic.com/packages.)
Recommended Land Pattern (with Overlaid Package Outline)
The DS1254 BGA is a subset of the industry-standard 40mm BGA format, with all balls on a 50-mil grid. Corner
balls have been removed to provide space for the electrical and mechanical interface features that facilitate
attachment of the DS3800 battery cap.
0.250
NOTE
0.500
0.150
NOTE: GROUND SHIELD TO ISOLATE RTC XTAL FROM EMI.
16 of 17