PCF8812U/2 PHILIPS [NXP Semiconductors], PCF8812U/2 Datasheet - Page 21

• Manufacturer Part Number: PCF8812U/2
• Description: 65 x 102 pixels matrix LCD driver
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
Notes
1. The maximum possible V
2. Internal clock.
3. f
4. During power-down all static currents are switched off.
5. If external V
6. Tolerance depend on the temperature; (typical null at T
7. For TC1 to TC3.
14 AC CHARACTERISTICS
V
2000 Nov 22
LCD supply voltage generator
V
TC
f
f
f
t
t
Serial bus timing characteristics
f
t
t
t
t
OSC
clk(ext)
frame
VHRL
RW
SCLK
cyc
PWH1
PWL1
S2
DD
SYMBOL
SYMBOL
LCD
65
temperate range limit, maximum tolerance is proportional to V
SCLK
= 2.5 to 5.5 V; V
= 0 means no serial clock.
102 pixels matrix LCD driver
V
generated
V
oscillator frequency
external clock frequency
frame frequency
V
RES LOW pulse width
clock frequency
clock cycle time
SCLK pulse width HIGH
SCLK pulse width LOW
SCE set-up time
LCD
LCD
LCD
DD
; the display load current is not transmitted to I
to RES LOW
tolerance internally
temperature coefficient V
SS
PARAMETER
PARAMETER
= 0 V; V
LCD
LCD
voltage that may be generated is dependent on voltage, temperature and (display) load.
= 4.5 to 9.0 V; T
V
f
display-load = 10 A;
notes 3, 6 and 7
T
display load = 10 A; note 3
V
T
f
note 1
see Fig.16
see Fig.16
V
signal timing is based on
20% to 80% of V
maximum rise and fall time
of 10 ns
SCLK
OSC
amb
amb
DD1
DD1
DD1
DD1
coefficient 0
coefficient 1
coefficient 2
coefficient 3
or f
= 20 to +70 C;
= 20 to +70 C
= 2.8 V; V
= 2.8 V; f
= 2.8 V;
= 3.0 V 10%; all
= 0; T
amb
CONDITIONS
CONDITIONS
clk(ext)
= 40 to +85 C; unless otherwise specified.
amb
21
amb
= 38 kHz;
SCLK
LCD
= 25 C;
= 27 C, maximum tolerance values are measured at the
DD
= 7.6 V;
= 0;
and a
DD
LCD
.
).
22
20
0
500
0
250
100
100
60
300
MIN.
MIN.
0
38
0
38
73
0.76
1.05
2.10
10
TYP.
TYP.
3
10
10
10
Product specification
3
3
3
PCF8812
+300
67
67
1
4.00
MAX.
MAX.
mV
1/ C
1/ C
1/ C
1/ C
kHz
kHz
Hz
ns
MHz
ns
ns
ns
ns
UNIT
UNIT
s