HD404629R Datasheet, PDF (146/157 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a DTMF Generator Circuit

HD404629R Series
I/O Characteristics for High-Current Pins (HD404628R, HD4046212R, HD404629R: V_CC = 2.7 to
6.0 V, GND = 0 V, T_a = –20°C to +75°C; HD4074629: V_CC = 2.7 to 5.5 V, GND = 0 V, T_a = –20°C to
+75°C, unless otherwise specified)
Item
Input high
voltage
Input low
voltage
Output high
voltage
Output low
voltage
Symbol
V_IH
Pin(s)
D₀–D₉
V_IL
D₀–D₉
V_OH
D₀–D₉
V_OL
D₀–D₉
Min
0.7V_CC
Typ Max
— V_CC + 0.3
–0.3
— 0.3V_CC
V_CC – 1.0 — —
—
— 0.4
—
— 2.0
I/O leakage
current
I_{I L}
D₀–D₉
—
—1
Pull-up MOS
–I_PU
D₀–D₉
5
30 90
current
Note: 1. The test condition of HD4074629 is V_CC = 4.5 V to 5.5 V.
2. Output buffer current is excluded.
Unit Test Condition
V
—
V
—
V
–I_OH = 0.5 mA
V
I_OL = 0.4 mA
V
I_OL = 15 mA,
V_CC = 4.5 V to 6.0 V
µA
V_in = 0 V to V_CC
µA
V_CC = 3 V,
V_in = 0 V
Notes
1
2
LCD Circuit Characteristics (HD404628R, HD4046212R, HD404629R: V_CC = 2.7 to 6.0 V, GND =
0 V, T_a = –20°C to +75°C; HD4074629: V_CC = 2.7 to 5.5 V, GND = 0 V, T_a = –20°C to +75°C, unless
otherwise specified)
Item
Symbol Pin(s)
Min
Typ
Max
Unit Test Condition
Notes
Segment driver V_DS
SEG1–SEG52 —
—
0.6
V
I_PD = 3 µA
1
voltage drop
Common driver V_DC
COM1–COM4 —
—
0.3
V
I_PD = 3 µA
1
voltage drop
LCD power
R_W
supply division
resistance
—
50
(HD404628R,
HD4046212R,
HD404629R)
300
900
kΩ Between V₁ and
GND
—
100
300
900
—
(HD4074629)
LCD voltage
V_LCD
V₁
2.7
—
V_CC
V—
2
Notes: 1. V_DS and V_DC are the voltage drops from power supply pins V₁, V₂, V₃, and GND to each segment
pin and each common pin, respectively.
2. When V_LCD is supplied from an external source, the following relations must be retained:
V_CC ≥ V₁ ≥ V₂ ≥ V₃ ≥ GND
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