pcf8531 NXP Semiconductors, pcf8531 Datasheet - Page 24

• Manufacturer Part Number: pcf8531
• Description: 34 X 128 Pixel Matrix Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
13 AC CHARACTERISTICS
V
T
Notes
1. f
2. For t
3. All timing values are valid within the operating supply voltage and ambient temperature range and are referenced to
4. C
2000 Feb 11
handbook, full pagewidth
f
f
f
t
t
Serial-bus interface; note 3
f
t
t
t
t
t
t
C
t
t
t
t
t
SYMBOL
amb
frame
OSC
clk(ext)
W(RESL)
SU;RESL
SCL
SCLL
SCLH
SU;DAT
HD;DAT
r
f
SU;STA
HD;STA
SU;STO
SW
BUF
DD1
b
34
V
frame
= 40 to +85 C; unless otherwise specified.
IL
= 1.8 to 5.5 V; V
b
= total capacitance of one bus line in pF.
and V
W(RESL)
= f
128 pixel matrix driver
clk(ext)
LCD frame frequency (internal clock)
oscillator frequency (not available at any pin)
external clock frequency
reset LOW pulse width
reset LOW pulse set-up time after Power-on
SCL clock frequency
SCL clock LOW period
SCL clock HIGH period
data set-up time
data hold time
SCL, SDA rise time
SCL, SDA fall time
capacitive load represented by each bus line
set-up time for a repeated START condition
start condition hold time
set-up time for STOP condition
tolerable spike width on bus
bus free time between a STOP and START
condition
IH
with an input voltage swing of V
> 3 ns a reset may be generated.
/480; f
V DD
RES
DD2
OSC
and V
/480.
PARAMETER
DD3
= 2.5 to 4.5 V; V
SS
Fig.16 Reset timing.
to V
SS1
DD
and V
.
24
V
note 2
note 4
note 4
t SU; RESL
DD
SS2
CONDITIONS
= 3.0 V; note 1 40
= 0 V; V
t W(RESL)
DD1
to V
20
20
300
0
1.3
0.6
100
0
20 + 0.1C
20 + 0.1C
0.6
0.6
0.6
1.3
DD3
V IL
MIN.
V
LCD
b
b
MGS476
66
34
9.0 V;
TYP.
Product specification
PCF8531
135
65
65
30
400
0.9
300
300
400
50
MAX.
Hz
kHz
kHz
ns
kHz
ns
ns
ns
pF
ns
UNIT
s
s
s
s
s
s
s
s