FM31L278-G Ramtron, FM31L278-G Datasheet - Page 25

• Manufacturer Part Number: FM31L278-G
• Description: FRAM, MPU SUPPORT, 256K, RTC, SOIC14
• Manufacturer: Ramtron

Specifications of FM31L278-G

• Memory Size: 256Kbit
• Nvram Features: RTC
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: SOIC
• No. Of Pins: 14
• Operating Temperature Range: -40°C To +85°C
• Package / Case: SOIC
• Mounting Style: SMD/SMT
• Memory Configuration: 32768 X 8
• Interface Type: I2C, Serial, 2-Wire
• Rohs Compliant: Yes
• Number Of Voltages Monitored: 1
• Monitored Voltage: 2.6 V or 2.9 V
• Output Type: Active Low, Open Drain
• Manual Reset: Resettable
• Watchdog: Watchdog
• Battery Backup Switching: Yes
• Power-up Reset Delay (typ): 200 ms
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Supply Current (typ): 1500 uA
• Power Fail Detection: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Mechanical Drawing
14-pin SOIC (JEDEC Standard MS-012, Variation AB)
Rev. 2.0
Jan. 2011
SOIC Package Marking Scheme
Pin 1
XXXXXXX-P
RLLLLLLL
RIC YYWW
1.27
Refer to JEDEC MS-012 for complete dimensions and notes.
All dimensions in millimeters.
0.33
0.51
8.64
±
0.10
Legend:
Example: FM31L278, “Green” SOIC package, Year 2011, Work Week 06
XXXXXX= part number, P= package type (G=”Green”/RoHS)
R=rev, LLLLLLL= lot code
RIC=Ramtron Int’l Corp, YY=year, WW=work week
FM31L278-G
D70023G
RIC 1106
0.10
0.25
3.90
±
0.13
6.00
1.35
1.75
FM31L278/L276/L274/L272 - 3V I2C Companion
±
0.20
0.10 mm
2.00
Recommended PCB Footprint
1.27
0.25
0.50
0°- 8°
. . .
. . .
45
°
0.40
1.27
3.70
0.65
0.19
0.25
7.70
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