DS2227

9 of 10

NOTES:

1.

WE

is high for a read cycle.

2.

OE

state.

3.

4.

5.

6.

output buffers remain in a high impedance state in this period.

7.

buffers remain in a high impedance state in this period.

8.

transition, the output buffers remain in a high impedance state in this period.

9.

Each DS2227 is marked with a 4-digit date code AABB. AA designates the year of manufacture.

date of manufacture.

10.

DC TEST CONDITIONS

Outputs Open

Cycle = 200 ns

All Voltages are Referenced to Ground

AC TEST CONDITIONS

Output Load: 100 pF + 1TTL gate

Input Pulse Levels: 0 - 3.0 V

Timing Measurements Reference Levels:

Input - 1.5V

Output - 1.5V

Input Pulse Rise and Fall Times: 5 ns

ORDERING INFORMATION