PCF8534A_08 Datasheet, PDF (27/44 Pages) NXP Semiconductors – Universal LCD driver for low multiplex rates

NXP Semiconductors
PCF8534A
Universal LCD driver for low multiplex rates
11. Static characteristics
Table 16. Static characteristics
V_DD = 1.8 V to 5.5 V; V_SS = 0 V; V_LCD = 2.5 V to 6.5 V; T_amb = −40 °C to +85 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ Max
Unit
Supplies
V_DD
V_LCD
I_DD
I_DD(LCD)
Logic
supply voltage
LCD supply voltage
supply current
LCD supply current
f_clk = 1536 Hz
f_clk = 1536 Hz
1.8
2.5
[1] _-
[1] _-
-
5.5
V
-
6.5
V
8
20
µA
24
60
µA
V_I
input voltage
V_SS − 0.5
V_DD + 0.5 V
V_IL
LOW-level input voltage
on pins CLK, SYNC, OSC, A0 to A2
V_SS
and SA0
-
0.3V_DD V
V_IH
HIGH-level input voltage
on pins CLK, SYNC, OSC, A0 to A2
0.7V_DD
-
V_DD
V
and SA0
V_POR
power-on reset voltage
1.0
I_OL
LOW-level output current V_OL = 0.4 V; V_DD = 5 V; on pins CLK
1
and SYNC
1.3 1.6
V
-
-
mA
I_OH
HIGH-level output current V_OH = 4.6 V; V_DD = 5 V; on pin CLK
−1
I_L
leakage current
V_I = V_DD or V_SS; on pins SA0, A0 to
−1
A2 and CLK
-
-
mA
-
+1
µA
C_I
input capacitance
I²C-bus; pins SDA and SCL
V_I = V_DD; on pin OSC
−1
[2] _-
-
+1
µA
-
7
pF
V_I
input voltage
V_IL
LOW-level input voltage
V_IH
HIGH-level input voltage
I_OL
LOW-level output current
I_L
leakage current
C_i
input capacitance
LCD outputs
V_SS − 0.5 -
pin SCL
V_SS
-
pin SDA
V_SS
-
0.7V_DD
-
V_OL = 0.4 V; V_DD = 5 V; on pin SDA
3
-
V_I = V_DD or V_SS
−1
-
[2] _-
-
5.5
V
0.3V_DD V
0.2V_DD V
5.5
V
-
mA
+1
µA
7
pF
Output pins BP0, BP1, BP2 and BP3
V_BP
voltage on pin BP
R_BP
resistance on pin BP
Output pins S0 to S59
C_bpl = 35 nF
V_LCD = 5 V
[3] _−100
[4] _-
-
+100
mV
1.5 10
kΩ
V_S
voltage on pin S
R_S
resistance on pin S
C_sgm = 35 nF
V_LCD = 5 V
[5] _−100
[4] _-
-
+100
mV
6.0 13.5
kΩ
[1] LCD outputs are open circuit; inputs at V_SS or V_DD; external clock with 50 % duty factor; I²C-bus inactive.
[2] Not tested, design specification only.
[3] C_bpl = backplane capacitance.
[4] Outputs measured individually and sequentially.
[5] C_sgm = segment capacitance.
PCF8534A_3
Product data sheet
Rev. 03 — 10 November 2008
© NXP B.V. 2008. All rights reserved.
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