Electrical Characteristics at 25°C
Parameters
Min.
VCC
4.5
ICC Blank
ICC 8 digits (1), 16 dots/character
Limits
Typ.
Max.
5.0
5.5
0.5
1.0
240
290
Units
V
mA
mA
IIP Current
(with pull-up)
11
18
µA
II Input leakage current
(without pull-up)
±1
µA
VIH Input Voltage High
2.0
VCC
V
+0.3
VIL Input Voltage Low
GND
–0.3
0.8
V
VOL Output Voltage Low
(Clock Pin)
0.4
V
VOH Output Voltage High
2.4
V
(Clock Pin)
IOH Output Current High
–0.9
mA
(Clock I/O)
IOL Output Current Low
1.6
2
mA
(Clock I/O)
θJC Thermal Resistance,
Junction to Case
25
°C/W
Fext External Clock,
28
Input Frequency(2)
81.14 KHz
Fosc Internal Clock,
28
Output Frequency(2)
81.14 KHz
Clock I/O Buss Loading
240
pF
Clock Out Rise Time
500
ns
Clock Out Fall Time
500
ns
FM, Digit Multiplex Frequency
125
256
362.5 Hz
Blinking Rate
0.98
2
2.83
Hz
Notes:
1. Average ICC measured at full brightness. Peak ICC=5⁄8 x IAVG ICC (# displayed).
2. Internal/external frequency duty factor is 50%.
Conditions
VCC=5 V, VIN=5 V
VCC=5 V, “#” displayed in all
eight digits
VCC=5 V, VIN=0 V to VCC,
(WR, CE, FL, RST, ClkSel)
VCC=5 V, VIN=0 V to VCC,
(Clk I/O, A0–A3, D0–D7)
VCC=4.5 V to 5.5 V
VCC=4.5 V to 5.5 V
VCC=4.5 V to 5.5 V,
IOL=1.6 mA
VCC=4.5 V to 5.5 V,
IOH=40 µA
VCC=4.5 V, VOH=2.4 V
VCC=4.5 V, VOL=0.4 V
VCC=5.0 V, CLKSEL=0
VCC=5.0 V, CLKSEL=1
VCC=4.5 V, VOH=2.4 V
VCC=4.5 V, VOL=0.4 V
2–134
PLCD5580/1/2/3/4