PCF8566
NXP Semiconductors
Universal LCD driver for low multiplex rates
Table 19. Static characteristics …continued
VSS = 0 V; VDD = 2.5 V to 6.0 V; VLCD = VDD − 2.5 V to VDD − 6.0 V; Tamb = −40 °C to +85 °C; unless otherwise specified.
Symbol
LCD outputs
VBP
Parameter
Conditions
Min
Typ
Max
Unit
voltage on pin BP
voltage on pin S
output impedance
BP0 to BP3;
-
-
-
-
±20
±20
1
-
mV
mV
kΩ
kΩ
C
bpl = 35 nF
S0 to S23;
sgm = 5 nF
on pin BP0 to BP3;
LCD = VDD − 5 V
on pin S0 to S23;
LCD = VDD − 5 V
VS
Zo
-
C
[4]
[4]
5
7
V
3
V
[1] Outputs open; inputs at VSS or VDD; external clock with 50 % duty factor; I2C-bus inactive.
[2] Resets all logic when VDD < VPOR
.
[3] Periodically sampled, not 100 % tested.
[4] Outputs measured one at a time.
11.1 Typical supply current characteristics
mgg397
mgg398
40
24
I
DD
I
(µA)
DD
(µA)
−40 °C
+85 °C
−40 °C
+85 °C
30
16
20
8
0
10
0
0
2
4
6
8
0
2
4
6
8
V
(V)
V
(V)
DD
DD
VLCD = 0 V; fclk(ext) = 200 kHz.
VLCD = 0 V; fclk(ext) = 35 kHz.
Fig 20. Normal mode
Fig 21. Low power mode
PCF8566_7
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 07 — 25 February 2009
29 of 48
NXP [ NXP ]
