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NXP Semiconductors
PCA85132
LCD driver for low multiplex rates
Table 21. Static characteristics …continued
V DD = 1.8 V to 5.5 V; V SS = 0 V; V LCD = 1.8 V to 8.0 V; T amb = ? 40 ? C to +95 ? C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
LCD outputs
? V O
output voltage variation
on pins BP0 to BP3 and S0 to S159
[6][7]
? 30
-
+30
mV
R O
output resistance
V LCD = 5 V
on pins BP0 to BP3
on pins S0 to S159
-
-
1.5
2.0
5
5
k ?
k ?
[1]
[2]
[3]
[4]
[5]
[6]
[7]
LCD outputs are open-circuit; inputs at V SS or V DD ; I 2 C-bus inactive; V LCD = 8.0 V, V DD = 5.0 V and RAM written with all logic 1.
External clock with 50 % duty factor.
For typical values, see Figure 24 .
For typical values, see Figure 25 .
The I 2 C-bus interface of PCA85132 is 5 V tolerant.
Variation between any 2 backplanes on a given voltage level; static measured.
Variation between any 2 segments on a given voltage level; static measured.
20
I DD
( μ A)
16
12
8
4
0
I DD internal
I DD external
001aal014
1
2
3
4
5
6
V DD (V)
I DD internal is measured with the internal oscillator.
I DD external is measured with an external clock.
T amb = 30 ? C; 1:4 multiplex; V LCD = 8 V; all RAM written with logic 1; no display connected.
Fig 24. I DD with respect to V DD
PCA85132
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 11 July 2013
? NXP B.V. 2013. All rights reserved.
36 of 62
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