15

LTC1279

S

APPLICATI

I FOR ATIO

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

Figure 16. ROM Mode Timing

DATA (N – 1)

DB11 TO DB0

CONVST

BUSY

1279 F13

CS = RD = 0

DATA N

DB11 TO DB0

DATA (N + 1)

DB11 TO DB0

DATA

SAMPLE N

SAMPLE N + 1

RD = CONVST

BUSY

1279 F15

CS = 0

DATA (N – 1)

DB11 TO DB0

DATA

DATA N

DB11 TO DB0

DATA (N + 1)

DB11-DB0

DATA N

DB11 TO DB0

SAMPLE N

SAMPLE N + 1

Figure 15. Slow Memory Mode

RD = CONVST

BUSY

1279 F16

CS = 0

DATA (N – 1)

DB11 TO DB0

DATA

DATA N

DB11 TO DB0

SAMPLE N

SAMPLE N + 1

Figure 13. Mode 1b. CONVST Starts a Conversion. Data Outputs Always Enabled.(CONVST =

)

CONVST

BUSY

1279 F14

CS = 0

DATA N

DB11 TO DB0

DATA (N + 1)

DB11 TO DB0

RD

DATA

SAMPLE N

SAMPLE N + 1

Figure 14. Mode 2. CONVST Starts a Conversion. Data is Read by RD