Data Sheet M13714EJ5V0DS

11

µµµµPD441000L-X

Read Cycle (3/3) (D version)

Parameter

Symbol

µPD441000L-D12X

µPD441000L-D15X

Unit

Condition

MIN.

MAX.

MIN.

MAX.

Read cycle time

120

150

ns

Address access time

120

150

ns

Note 1

/CE1 access time

120

150

ns

CE2 access time

120

150

ns

/OE to output valid

60

70

ns

Output hold from address change

10

10

ns

/CE1 to output in low impedance

10

10

ns

Note 2

CE2 to output in low impedance

10

10

ns

/OE to output in low impedance

55

ns

/CE1 to output in high impedance

40

50

ns

CE2 to output in high impedance

40

50

ns

/OE to output in high impedance

40

50

ns

Notes 1. The output load is 1TTL + 30 pF.

2. The output load is 1TTL + 5 pF.

Remark These AC characteristics are in common regardless of package types.

Read Cycle Timing Chart

High impedance

Data out

CE2 (Input)

/CE1 (Input)

Address (Input)

I/O (Output)

/OE (Input)

Remark

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