pcf8576d NXP Semiconductors, pcf8576d Datasheet - Page 29

• Manufacturer Part Number: pcf8576d
• Description: Universal Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

Philips Semiconductors
11 AC CHARACTERISTICS
V
Notes
1. Typical output duty factor: 50% measured at the CLK output pin.
2. Not tested in production.
3. All timing values are valid within the operating supply voltage and ambient temperature range and are referenced to
2004 Dec 22
handbook, full pagewidth
f
t
t
t
t
t
Timing characteristics: I
f
t
t
t
t
t
t
t
C
t
t
t
t
SYMBOL
CLK
CLKH
CLKL
PD(SYNC)
SYNCL
PD(LCD)
SCL
BUF
HD;STA
SU;STA
LOW
HIGH
r
f
SU;DAT
HD;DAT
SU;STO
SW
DD
B
Universal LCD driver for low
multiplex rates
V
= 1.8 to 5.5 V; V
IL
and V
oscillator frequency
input CLK HIGH time
input CLK LOW time
SYNC propagation delay
SYNC LOW time
driver delays with test loads
SCL clock frequency
bus free time between a STOP and START
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
tolerable spike width on bus
IH
with an input voltage swing of V
SS
= 0 V; V
2
PARAMETER
C-bus; note 3
LCD
BP0 to BP3, and
S0 to S39
SYNC
= 2.5 to 6.5 V; T
CLK
3.3 k
6.8
(2%)
(2%)
SS
1 nF
Fig.21 Test loads.
to V
amb
V DD
0.5V DD
V SS
DD
= 40 to +85 C; unless otherwise specified.
.
note 1
V
f
f
29
SCL
SCL
LCD
= 400 kHz
< 125 kHz
= 5 V; note 2
CONDITIONS
SDA,
SCL
1.5 k
(2%)
MCE439
V DD
960
60
60
1
1.3
0.6
0.6
1.3
0.6
100
0
0.6
MIN.
1890
30
TYP.
Product specification
PCF8576D
2640
30
400
0.3
1.0
0.3
400
50
MAX.
Hz
ns
kHz
pF
ns
ns
ns
UNIT
s
s
s
s
s
s
s
s
s
s
s
s
s