5-15

TABLE 1. DIRECT MODE TIMING REQUIREMENTS (Note: Not tested in production)

SYMBOL

DESCRIPTION

MIN

TYP

MAX

UNIT

XBEN (Min) Pulse Width.

-

300

-

ns

Data Access Time from XBEN.

-

300

-

ns

Data Hold Time from XBEN.

-

200

-

ns

CE/LD Min. Pulse Width.

-

350

-

ns

Data Access Time from CE/LD.

-

350

-

ns

Data Hold Time from CE/LD.

-

280

-

ns

CLOCK 1 High Time.

-

1000

-

ns

TABLE 2. HANDSHAKE TIMING REQUIREMENTS (Note: Not tested in production)

SYMBOL

DESCRIPTION

MIN

TYP

MAX

UNIT

Mode Pulse (Min).

-

20

-

ns

Mode Pin Set-Up Time.

-

-150

-

ns

Mode Pin High to Low Z CE/LD High Delay.

-

200

-

ns

Mode Pin High to XBEN Low Z (High) Delay.

-

200

-

ns

Clock 1 High to CE/LD Low Delay.

-

700

-

ns

Clock 1 High to CE/LD High Delay.

-

600

-

ns

Clock 1 High to XBEN Low Delay.

-

900

-

ns

Clock 1 High to XBEN High Delay.

-

700

-

ns

Clock 1 High to Data Enabled Delay.

-

1100

-

ns

Clock 1 Low to Data Disabled Delay.

-

1100

-

ns

Send ENABLE Set-Up Time.

-

-350

-

ns

Clock 1 High to XBEN Disabled Delay.

-

2000

-

ns

Clock 1 High to CE/LD Disabled Delay.

-

2000

-

ns

Clock 1 High Time.

1250

1000

-

ns

ICL8052/ICL7104, ICL8068/ICL7104