PCF8576 Philips Semiconductors, PCF8576 Datasheet - Page 29

• Manufacturer Part Number: PCF8576
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: Philips Semiconductors

Philips Semiconductors
11 AC CHARACTERISTICS
V
Notes
1. At f
2. All timing values are valid within the operating supply voltage and ambient temperature range and are referenced to
1998 Feb 06
f
t
t
t
t
t
Timing characteristics: I
t
t
t
t
t
t
t
t
C
t
t
t
SYMBOL
clk
clkH
clkL
PSYNC
SYNCL
PLCD
SW
BUF
HD;STA
SU;STA
LOW
HIGH
r
f
SU;DAT
HD;DAT
SU;STO
DD
B
Universal LCD driver for low multiplex
rates
V
= 2 to 9 V; V
IL
clk
and V
< 125 kHz, I
oscillator frequency on pin CLK
CLK HIGH time
CLK LOW time
SYNC propagation delay time
SYNC LOW time
driver delays with test loads
tolerable spike width on bus
bus free time
START condition hold time
set-up time for a repeated START condition
SCL LOW time
SCL HIGH time
SCL and SDA rise time
SCL and SDA fall time
capacitive bus line load
data set-up time
data hold time
set-up time for STOP condition
IH
normal mode
power-saving mode
with an input voltage swing of V
SS
= 0 V; V
2
C-bus maximum transmission speed is derated.
2
PARAMETER
C-bus; note 2; see Fig.22
LCD
= V
BP0 to BP3, and
S0 to S39
SYNC
DD
CLK
2 V to V
3.3 k
6.8
(2%)
(2%)
SS
1 nF
DD
Fig.20 Test loads.
to V
V DD
0.5V DD
V DD
9 V; T
DD
.
V
V
see Fig.21
V
29
amb
DD
DD
LCD
= 5 V; note 1
= 3.5 V
= 40 to +85 C; unless otherwise specified.
= V
CONDITIONS
SDA,
SCL
DD
5 V; see Fig.20
1.5 k
(2%)
MBE544
V DD
125
21
1
1
1
4.7
4.0
4.7
4.7
4.0
250
0
4.0
MIN.
200
31
TYP.
Product specification
PCF8576
288
48
400
30
100
1
0.3
400
MAX. UNIT
kHz
kHz
ns
ns
pF
ns
ns
s
s
s
s
s
s
s
s
s
s
s
s