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HD404449 Datasheet, PDF (117/125 Pages) Hitachi Semiconductor – HD404449 SERIES | |||
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HD404449 Series
I/O Characteristics for High-Current Pins (HD404448, HD404449: VCC = 2.7 to 6.0 V, GND = 0 V, Ta
= â20°C to +75°C; HD4074449: VCC = 2.7 to 5.5 V, GND = 0 V, Ta = â20°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
D0âD9
D0âD9
D0âD9
D0âD9
Min
Typ
0.7VCC â
â0.3
â
VCC â 1.0 â
â
â
â
â
I/O leakage current IIL
D0âD9
â
â
Pull-up MOS current âIPU
D0âD9
5
30
Notes: 1. Output buffer current is excluded.
Max
Unit
VCC + 0.3 V
0.3VCC V
â
V
0.4
V
2.0
V
1
µA
90
µA
Test Condition
â
â
âIOH = 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 = â20°C to
+75°C; HD4074449: VCC = 2.7 to 5.5 V, GND = 0 V, Ta = â20°C to +75°C, unless otherwise specified)
Item
Symbol Pin(s) Min
Typ Max
Unit
Test Condition Notes
Analog power
AVCC
AVCC
VCC â 0.3 VCC VCC + 0.3 V
â
1
voltage
Analog input
AVin
AN0âAN3 AVSS
â
AVCC
V
â
voltage
Current between
AVCC and AVSS
Analog input
capacitance
I AD
CA in
â
â
AN0âAN3 â
50 150
µA
15 â
pF
VCC = AVCC = 5.0 V
â
Resolution
â
â
8
88
Bit
Number of inputs â
â
0
â4
Channel â
Absolute accuracy â
â
â
Conversion time â
Input impedance â
Note: 1. AVCC ⥠2.7 V
â
34
AN0âAN3 1
â ± 2.0 LSB
â 67
t cyc
ââ
Mâ¦
Ta = 25°C,
VCC = 4.5 V to 5.5 V
â
fOSC = 1 MHz,
Vin = 0 V
115
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