PCF8558U/10 PHILIPS [NXP Semiconductors], PCF8558U/10 Datasheet - Page 15

• Manufacturer Part Number: PCF8558U/10
• Description: Universal LCD driver for small graphic panels
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
AC CHARACTERISTICS
All timing values are referenced to V
V
Notes
1. The rise and fall times specified here refer to the driver device (i.e. not PCF8558) and are part of the general fast
2. The device inputs SDA and SCL are filtered and will reject spikes on the bus lines of width <t
1998 Apr 07
handbook, full pagewidth
f
f
t
I
f
t
t
t
t
t
t
t
t
t
t
t
C
FR)
OSC(ext)
PLCD
2
SCL
CLKL
CLKH
BUF
r
f
SU;STA
HD;STA
SU;DAT
HD;DAT
SU;STO
SW
SS
SYMBOL
C-bus (see Fig.12)
b
Universal LCD driver for small graphic
panels
I
t
= 0 V; V
2
f
. C
C-bus specification. However, when PCF8558 asserts an acknowledge on SDA, the fall time is given by parameter
b
= capacitive load per bus line.
LCD
LCD frame frequency
(internal oscillator)
external clock frequency
driver delays
SCL clock frequency
SCL LOW time
SCL HIGH time
bus free time
SCL and SDA rise time
SCL and SDA fall time
START condition set-up time
START condition hold time
data set-up time
data hold time
STOP condition set-up time
tolerable spike width on bus
capacitive load per bus line
= V
DD
PARAMETER
3.5 V to V
DD
IH
R1 to R40,
C1 to C101
and V
9 V; T
IL
V
with test loads
between successive STOP
and START conditions
note 1
note 1
repeated start codes only
note 2
amb
DD
levels with an input voltage swing of V
Fig.11 AC test loads.
1 nF
= 40 to +85 C; unless otherwise specified.
V
CONDITIONS
LCD
= 9 V;
15
SDA
1.5 k
MGG564
37
90
1.3
0.6
1.3
20 + 0.1C
0.6
0.6
100
0
0.6
V DD
MIN.
SS
b
to V
62.5
150
TYP.
DD
. V
Objective specification
SW(max)
DD
94
225
100
400
300
300
50
400
= 2.5 to 6 V;
MAX.
PCF8558
.
Hz
kHz
kHz
ns
ns
ns
ns
ns
pF
s
s
s
s
s
s
s
UNIT