Data Sheet M14078EJ4V0DS

6

µµµµPD4416004

Read Cycle

Parameter

Symbol

-A 15

-A 17

Unit

Notes

MIN.

MAX.

MIN.

MAX.

Read cycle time

15

17

ns

Address access time

15

17

ns

1

/CS access time

15

17

ns

/OE access time

78

ns

Output hold from address change

33

ns

/CS to output in low impedance

3

3

ns

2, 3

/OE to output in low impedance

00

ns

/CS to output in high impedance

78

ns

/OE to output hold in high impedance

78

ns

Notes 1. See the output load shown in Figure 1.

2. Transition is measured at

±200 mV from steady-state voltage with the output load shown in Figure 2.

3. These parameters are periodically sampled and not 100% tested.

Read Cycle Timing Chart 1 (Address Access)

Address (Input)

I/O (Output)

Previous data out

Data out

Remarks 1. In read cycle, /WE should be fixed to high level.

Read Cycle Timing Chart 2 (/CS Access)

Address (Input)

/CS (Input)

Data output

High impedance

/OE (Input)

High impedance

I/O (Output)

Caution

Address valid prior to or coincident with /CS low level input.

Remark

In read cycle, /WE should be fixed to high level.