AD678

REV. C

–4–

TIMING SPECIFICATIONS

Parameter

Symbol

Min

Max

Units

SC Delay

50

ns

Conversion Time

3.0

4.4

µs

Conversion Rate

l

5

µs

Convert Pulsewidth

97

ns

Aperture Delay

520

ns

Status Delay

0

400

ns

Access Time

2, 3

10

100

ns

10

57

4

ns

Float Delay

5

10

80

ns

Output Delay

0ns

Format Setup

47

ns

OE Delay

0ns

Read Pulsewidth

97

ns

Conversion Delay

150

ns

EOCEN Delay

0ns

NOTES

OE/EOCEN (0.8 V) to the time at which the data lines/EOC cross 2.0 V or 0.8 V. See Figure 3.

OE/EOCEN (2.0 V) to the time at which the output voltage changes by 0.5 V. See Figure 3; C

Specifications subject to change without notice.

10% unless

otherwise noted)

Figure 1. Conversion Timing

Figure 2. EOC Timing

Figure 3. Load Circuit for Bus Timing Specifications