pcf8577c NXP Semiconductors, pcf8577c Datasheet - Page 14

• Manufacturer Part Number: pcf8577c
• Description: Lcd Direct/duplex Driver With I2c-bus Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
11 AC CHARACTERISTICS
V
supply voltage and ambient temperature range and refer to V
Note
1. Typical conditions: V
1998 Jul 30
f
t
I
f
t
t
t
t
t
t
t
t
t
t
t
SYMBOL
LCD
BS
2
SCL
SW
BUF
SU;STA
HD;STA
LOW
HIGH
r
f
SU;DAT
HD;DAT
SU;STO
DD
C-bus
LCD direct/duplex driver with
I
2
= 2.5 to 6 V; T
C-bus interface
display frequency
driver delays with test loads
SCL clock frequency
tolerable spike width on I
I
START condition set-up time
START condition hold time
SCL LOW time
SCL HIGH time
SCL and SDA rise time
SCL and SDA fall time
data set-up time
data hold time
STOP condition set-up time
2
C-bus free time
amb
PARAMETER
= 40 to 85 C; unless otherwise specified. All the timing values are valid within the operating
(pins 39, 40)
DD
SCL, SDA
= 5 V; T
amb
1.5 k
2
C-bus T
= 25 C.
C
V
V DD
amb
DD
osc
Fig.12 Test loads.
= 5 V
= 680 pF; R
= 25 C
CONDITIONS
14
(pins 1 to 32)
S32 to S1
IL
and V
osc
= 1 M
IH
with an input voltage swing of V
6.8 k
65
4.7
4.0
4.0
4.7
4.0
250
0
4.0
MIN.
(V
DD
90
20
V
TYP.
SS
MGA730
) / 2
(1)
Product specification
120
100
100
100
1.0
0.3
PCF8577C
MAX.
SS
to V
Hz
kHz
ns
ns
ns
DD
s
s
s
s
s
s
s
s
s
UNIT
.