PDSP1880 datasheet(6/15 Pages) OSRAM

6 / 15 page

2006-03-30

PDSP1880, PDSP1881, PDSP1882, PDSP1883, PDSP1884

DC Electrical Characteristics at 25°C

Parameters

Limits

Conditions

Min.

Typ.

Max.

Units

4.5

5.0

5.5

—

ICC Blank

—

0.65

1.0

CC=5.0 V, VIN=5.0 V

ICC 12 dots/digit on

1) 2)

—

200

255

CC=5.0 V, “V” in all 8 digits

ICC 20 dots/digit on

1) 2)

—

300

370

CC=5.0 V, “#” in all 8 digits

IILP (with pull-up)

Input Leakage

–18

–11

–5.0

µA

CC=5.0 V, VIN=0 V to VCC

(WR, CE, FL, RST, RD, CLKSEL)

IIL (no pull-up)

Input Leakage

–1.0

—

+1.0

µA

CC=5.0 V, VIN=5.0 V

(CLK, A0–A3, D0–D7)

VIH Input Voltage High

2.0

—

+0.3

CC=4.5 V to 5.5 V

VIL Input Voltage Low

GND

–0.3

—

CC=4.5 V to 5.5 V

VOL (D0–D7), Output Voltage Low

—

0.4

CC=4.5 V, IOL=1.6 mA

VOL (CLK), Output Voltage Low

—

0.4

CC=4.5 V, IOL=40 µA

VOH Output Voltage High

2.4

—

CC=4.5 V, IOH=40 µA

JC Thermal Resistance,

Junction to Case

—

°C/W

—

Clock I/O Frequency

57.34

81.14

kHz

CC=4.5 to 5.5 V

FM, Digit Multiplex Frequency

125

256

362.5

CC=4.5 to 5.5 V

Blinking Rate

0.98

2.0

2.83

—

Clock I/O Buss Loading

—

2.40

—

Clock Out Rise Time

—

500

nsec

CC=4.5 V, VOH=2.4 V

Clock Out Fall Time

—

500

nsec

CC=4.5 V, VOH=0.4 V

Notes:

1)I

CC is an average value.

2)I

CC is measured with the display at full brightness. Peak ICC=

28/

15 ICC average (#displayed).

Recommended Operating Conditions (T

A = – 40°C to + 85°C)

Parameter

Symbol

Min.

Max.

Units

Supply Voltage

4.5

5.5

Input Voltage Low

VIL

—

0.8

Input Voltage High

VIH

2.0

—

Output Voltage Low

VOL

—

0.4

Output Voltage High

VOH

2.4

—

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