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HD404449 Datasheet, PDF (115/123 Pages) Hitachi Semiconductor – HD404449 SERIES
HD404449 Series
I/O Characteristics for High-Current Pins (HD404448, HD404449: VCC = 2.7 to 6.0 V, GND = 0 V, Ta
= –20°C to +75°C; HD4074449: VCC = 2.7 to 5.5 V, GND = 0 V, Ta = –20°C to +75°C, unless otherwise
specified)
Item
Symbol Pin(s)
Input high voltage VIH
Input low voltage VIL
Output high voltage VOH
Output low voltage VOL
D0–D9
D0–D9
D0–D9
D0–D9
Min
Typ
0.7VCC —
–0.3
—
VCC – 1.0 —
—
—
—
—
I/O leakage current IIL
D0–D9
—
—
Pull-up MOS current –IPU
D0–D9
5
30
Notes: 1. Output buffer current is excluded.
Max
Unit
VCC + 0.3 V
0.3VCC V
—
V
0.4
V
2.0
V
1
µA
90
µA
Test Condition
—
—
–IOH = 0.5 mA
IOL = 0.4 mA
IOL = 15 mA,
VCC ≥ 4.5 V
Vin = 0 V to VCC
VCC = 3.0 V,
Vin = 0 V
Notes
1
A/D Converter Characteristics (HD404448, HD404449: V CC = 2.7 to 6.0 V, GND = 0 V, Ta = –20°C to
+75°C; HD4074449: VCC = 2.7 to 5.5 V, GND = 0 V, Ta = –20°C to +75°C, unless otherwise specified)
Item
Symbol Pin(s) Min
Typ Max
Unit
Test Condition Notes
Analog power
AVCC
AVCC
VCC – 0.3 VCC VCC + 0.3 V
—
1
voltage
Analog input
AVin
AN0–AN3 AVSS
—
AVCC
V
—
voltage
Current between
AVCC and AVSS
Analog input
capacitance
I AD
CA in
—
—
AN0–AN3 —
50 150
µA
15 —
pF
VCC = AVCC = 5.0 V
—
Resolution
—
—
8
88
Bit
Number of inputs —
—
0
—4
Channel —
Absolute accuracy —
—
—
Conversion time —
Input impedance —
Note: 1. AVCC ≥ 2.7 V
—
34
AN0–AN3 1
— ± 2.0 LSB
— 67
t cyc
——
MΩ
Ta = 25°C,
VCC = 4.5 V to 5.5 V
—
fOSC = 1 MHz,
Vin = 0 V
115