Links to those two items would help - the text descriptions you posted are not very specific. However, the DS1307 is 64x8, not 56x8, if that helps.
The Maxim datasheet is available here
You might also consider one of our breakout boards, instead of messing around with a bare chip. We have a DS1307 breakout
, and we have the Chronodot
, which is code-compatible with the DS1307, but offers higher accuracy. Both attach to the I2C bus.