 2001 OSRAM Opto Semiconductors Inc.• San Jose, CA

PD2535/6/7, PD3535/6/7, PD4435/6/7

www.infineon.com/opto • 408-456-4000

OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany

www.osram-os.com • +49-941-202-7178

4

July 5, 2001-14

Notes:

µs between any Reads or Writes after writing a Control Word with a Clear (D7=1). Wait 1.0 µs

between any Reads or Writes after Clearing a Control Word with a Clear (D7=0). All other Reads and

Writes can be back to back.

µA and

Write Cycle Timing

Parameter

Description

Specification Minimum

–40

°C25°C85°C

Units

(1)

Clear RAM

1.0

1.0

1.0

µs

(1)

Clear RAM Disable

1.0

1.0

1.0

µs

Address Setup

10

10

10

ns

Chip Enable Setup

000ns

Read Enable Setup

10

10

10

ns

Data Setup

20

30

50

ns

Write Pulse

60

70

90

ns

Address Hold

20

30

40

ns

Data Hold

20

30

40

ns

Chip Enable Hold

000ns

Read Enable Hold

20

30

40

ns

Total Access Time = Setup Time + Write

Time + Hold Time

90

110

140

ns

Read Cycle Timing

Parameter

Description

Specification Minimum

–40

°C25°C85°C

Units

Address Setup

000ns

Chip Enable

000ns

Write Enable Setup

20

30

40

ns

Data Delay Time

100

150

175

ns

Read Pulse

150

175

200

ns

Address Hold

000ns

Data Hold

000ns

Time to Tristate (Max. time)

30

40

50

ns

Chip Enable Hold

000ns

Write Enable Hold

30

40

50

ns

Total Access Time = Setup Time + Read

Time + Time to Tristate

200

245

290

ns

(1)

Wait Time between Reads

000ns