PDSP16515A

11

Table 3. Host Controlled Output Timing. ( Advanced Data )

Characteristic

Symbol

Min

Max

Units

DEN Set Up Time

T

PS

10

ns

Host Strobe Width

T

PW

10

ns

DEN Hold Time

T

PH

5ns

DAV in-active going Delay ( 30 pf load )

T

VI

15

ns

Output Enable Time ( see Fig 13 )

T

LZ

18

ns

Output Data Delay Time ( 30 pf load )

T

DD

18

ns

Output Disable Time ( see Fig 13 )

T

HZ

18

ns

Read Cycle Time

T

RC

25

ns

Old Data Hold Time

T

OH

2ns

DEN

DATA

O/P

DAV

O/P 1

O/P 2

DOS

O/P 1

S3:0

Scale Tag Value

Scale Tag Value

O/P N

Dummy Strobes

Un-defined

Un-defined

In this zone SCLK and DOS requirements have to be met - See "User Notes - stopping DOS"

(1)

(2)

(3)

(4)

DIN

O/P

S3:0

PDSP16515

AUX

SYSTEM

CLOCK

HOST

SYSTEM

Figure. 6. Host Controlled System

PDSP16515

HOST

SYSTEM