Arduino Memory Shield

FramShield

128K to 512K Non-Volatile RAM on an Arduino compatible shield.
(Not compatible with Mega... mega version coming soon.)
An Arduino library makes it simple to use.

Specifications
Storage:

128K to 512K non-volatile ram
Transfer Rate:

Standard: 8750 bytes per second
High speed mode: 35000 bytes per second

Write endurance: 10¹⁴ cycles

RTC:

10 ppm accuracy @ 25 deg C
2 outputs, software configurable as...

2 alarm outputs
1 alarm and 1 square wave signal (1, 4096, 8192, or 32768 hz)
Outputs and Arduino interrupt inputs brought out to adjacent headers for easy connection

Backup supply:

Battery: 20 mm, CR2032 or similar 3 volt lithium 'coin' cell (not included), 3 year backup time
Super Capacitor: 48 hour backup time, 15 minute charge time

Interface:

Two Wire Interface (using Arduino analog pins 4 and 5)
100 Khz or 400 Khz, software selectable
5 volt to 3.3 volt transceiver, accessible via female header

Power consumption:

Idle: 150 uA
Active: 300 uA
Charging: 1.5 mA max during charging of backup capacitor

Operating Temperature:

-40 to +85 deg C
-30 to + 60 deg C with CR2032 battery

30 day Satisfaction Guarantee: Customer may return purchase within 30 days for a full refund.

1 Year Repair/Replacement Policy: Customers may return purchased item up to 365 days after purchase.
At our discretion item will be repaired or replaced.

Warranty is void if there is physical damage to any component.

Contact support (at) swfltek.com for further information.

Prices in US dollars.