Timing Diagrams
Figure 2. Synchronous Data Timing
µs
AT93C46/56/66
Note: 1. This is the minimum SK period.
Table 7. Organization Key for Timing Diagrams
AT93C46 (1K)
AT93C56 (2K)(1)
Notes:
I/O
x8
x 16
x8
x 16
AN
A6
A5
A8(3)
A7(4)
DN
D7
D15
D7
D15
1. This device is not recommended for new designs. Please refer to AT93C56A.
2. This device is not recommended for new designs. Please refer to AT93C66A.
3. A8 is a don’t care value, but the extra clock is required.
4. A7 is a don’t care value, but the extra clock is required.
AT93C66 (4K)(2)
x8
x 16
A8
A7
D7
D15
7
0172Z–SEEPR–9/05