SCE5740, SCE5741, SCE5742, SCE5743, SCE5744, SCE5745

2006-03-30

4

Input/Output Circuits

Figures „Inputs“ and „Clock I/O“ show the input and output resis-

tor/diode networks used for ESD protection and to eliminate sub-

strate latch-up caused by input voltage over/under shoot.

Inputs

Clock I/O (SCE574X only)

Electrical Characteristics (over operating temperature)

Parameter

Min.

Typ.

Max.

Units

Conditions

V

CC

4.5

5.0

5.5

V

—

1) 2)

—

—

50

µA

3)

90

115

130

mA

at 100% brightness at 25

°C

—

—

–10

µA

—

—

10

µA

V

IH

3.5

—

—

V

V

—

—

1.5

V

Row Multiplex Rate

375

768

1086

Hz

—

θ

JC-pin

—

—

45

°C/W

—

Notes:

1)

Unused inputs must be tied high.

2)

External oscillator must be stopped.

3)

Peak current

Electrical Characteristics for SCE574x only

Parameter

Min.

Typ.

Max.

Units

Conditions

—

–28

—

mA

—

23

—

mA

F

Frequency

120

—

3

MHz

F

Frequency

120

—

347

kHz

Clock I/O Bus Loading

—

—

240

pF

—

Clock Out Rise Time

—

—

500

ns

Clock Out Fall Time

—

—

500

ns

IDCD5021

GND

1 k

Ω

Input

CC

V

1 K

Ω

GND

input/output