4-5

PROPAGATION DELAY TIMES

Chip Enable to Chip Select

5

-

75

150

-

75

150

ns

10

-

45

100

-

-

-

ns

MRD or MRW to Chip Select (Note 3)

5

-

75

150

-

75

150

ns

10

-

40

100

-

-

-

ns

CLOCK to Chip Select

5

-

100

175

-

100

175

ns

10

-

65

125

-

-

-

ns

CLOCK to Address

5

-

100

175

-

100

175

ns

10

-

65

125

-

-

-

ns

Memory Address to Chip Select

5

-

100

175

-

100

175

ns

10

-

75

125

-

-

-

ns

Memory Address to Address

5

-

80

125

-

80

125

ns

10

-

40

60

-

-

-

ns

NOTES:

2. Maximum limits of minimum characteristics are the values above which all devices function.

3. For CDP1881C type only.

(See Figure 1) (Continued)

PARAMETER

(V)

CDP1882

CDP1881C, CDP1882C

UNITS

MIN

(NOTE 1)

TYP

(NOTE 2)

MAX

MIN

(NOTE 1)

TYP

(NOTE 2)

MAX

FIGURE 3. TIMING WAVEFORMS

CE

CS0, CS1, CS2, CS3

MRD OR MWR

CS0, CS1, CS2, CS3

MA0 - MA5

CLOCK

A8 - A11

VALID CHIP ENABLE

(A) CHIP ENABLE TO CHIP SELECT PROPAGATION DELAY

(B) MRD OR MWR TO CHIP SELECT PROPAGATION DELAY (CDP1881C ONLY)

(C) MEMORY ADDRESS SETUP AND HOLD TIME

CS0, CS1, CS2, CS3

CDP1881C, CDP1882, CDP1882C