2–2

SCD5580/5581/5582/5583/5584

Maximum Ratings

DC Supply Voltage ......................................................... –0.5 to +7.0 Vdc

Input Voltage Levels Relative

Operating Temperature .................................................. –40

°C to +85°C

Storage Temperature ..................................................... –40

°C to +100°C

Maximum Solder Temperature 0.063"

below Seating Plane, t<5 sec ........................................................260

°C

Relative Humidity at 85

°C.................................................................. 85%

Maximum Number of LEDs on at 100% Brightness ............................128

Maximum Power Dissipation ......................................................1.7 Watts

IC Junction Temperature .................................................................125

°C

ESD (100 pF, 1.5 K

Ω).........................................................................2 KV

Maximum Input Current .............................................................

±100 mA.

Figure 1a. Data write cycle

Figure 1b. Instruction cycle

Figure 2. Maximum power dissipation vs. temperature

LOAD

DATA

SDCLK

3.5 V

1.5 V

3.5 V

1.5 V

3.5 V

1.5 V

OR

LOAD

SDCLK

DATA

LOAD

SDCLK

DATA

D0

D7

D6

D5

D4

D3

D2

D1

D0

D0

D7

D6

D5

D4

D3

D2

D1

D0

–40 –30 –20 –10

0

10

20

30

40

50

60

70

80

90 100 120 130 140

3.0

2.5

2.0

1.5

1.0

0.5

0.0

θ

JA=31°C/W

Switching Specifications (over operating

Note:

TSDCW is the minimum time the SDCLK may be

low or high. The SDCLK period must be a mini-

mum of 200 ns.

Symbol

Description

Min.

Units

Reset Active Time

600

ns

Load SetupTime

50

ns

Data Setup Time

50

ns

Clock Period

200

ns

Clock Width

70

ns

Load Hold Time

0

ns

Data Hold Time

25

ns

Total Write Time

2.2

µs

Time Between Loads

600

ns