NXP Semiconductors
PCF8532
Universal LCD driver for low multiplex rates
10. Static characteristics
Table 17. Static characteristics
VDD = 1.8 V to 5.5 V; VSS = 0 V; VLCD = 2.5 V to 8.0 V; Tamb = −40 °C to +85 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
Supplies
VDD
supply voltage
1.8
-
5.5
V
VLCD LCD supply voltage
1.8
-
8.0
V
IDD
supply current
fclk(ext) = 1.800 kHz
[1][2 -
4
20
µA
]
with internal oscillator running [1] -
18
60
µA
IDD(LCD) LCD supply current
fclk(ext) = 1.800 kHz
[1][2 -
30
70
µA
]
Logic
with internal oscillator running [1] -
30
70
µA
VI
input voltage
on pins SDA, SDAACK and SCL
all other input pins
VIH
HIGH-level input voltage on pins CLK, SYNC, OSC, A0,
A1, SA0, SCL and SDA
−0.5
-
−0.5
-
0.7VDD -
5.5
V
(VDD + 0.5) ≤ 5.5 V
-
V
VIL
LOW-level input voltage on pins CLK, SYNC, OSC, A0,
-
-
0.3VDD
V
A1, SA0, SCL and SDA
VO
output voltage
IOH
HIGH-level output
current
on pins SCL and SYNC
pin SDAACK
VOH = 4.6 V; VDD = 5 V; on pin
CLK
−0.5
-
−0.5
-
1.5
-
(VDD + 0.5) ≤ 5.5 V
5.5
V
-
mA
IOL
LOW-level output current VOL = 0.4 V; VDD = 5 V;
on pins CLK and SYNC
-
-
−1.5
mA
on pin SDAACK
-
-
−3
mA
VPOR power-on reset voltage
1.0
1.3
1.6
V
IL
leakage current
VI = VDD or VSS; on pin OSC,
−1
-
+1
µA
CLK, A0, A1, SA0, SDA,
SDAACK and SCL
LCD outputs
∆VO
output voltage variation on pins BP0 to BP3 and S0 to [3][4 −30
-
+30
mV
S159
]
RO
output resistance
VLCD = 5 V; on pins BP0 to BP3
-
1.5
5
kΩ
VLCD = 5 V; on pins S0 to S159
-
2.0
5
kΩ
[1] LCD outputs are open-circuit; inputs at VSS or VDD; I2C-bus inactive; VLCD = 8.0 V, VDD = 5.0 V and RAM written with all logic 1.
[2] External clock with 50 % duty factor.
[3] Variation between any 2 backplanes on a given voltage level; static measured.
[4] Variation between any 2 segments on a given voltage level; static measured.
PCF8532_1
Product data sheet
Rev. 1 — 10 February 2009
© NXP B.V. 2009. All rights reserved.
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