HD4048412 データシートの表示（PDF） - Renesas Electronics

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HD4048412

4-Bit Single-Chip Microcomputer

Renesas Electronics 

HD404849 Series

I/O Characteristics for High-Current Pins (HD404848/HD4048412/HD404849: VCC = 2.7 to 6.0 V,

GND = 0 V, Ta = –20°C to +75°C; HD4074849: 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

Input high VIH

voltage

D0–D8

0.7VCC —

VCC + 0.3 V —

Input low

VIL

voltage

D0–D8

–0.3

—

0.3VCC V —

Output high VOH

voltage

D0–D8

VCC – 1.0 —

—

V –IOH = 0.5 mA

Output low VOL

voltage

D0–D8

—

— 0.4

V IOL = 0.4 mA

I/O leakage |IIL|

current

D0–D8

—

— 2.0

V IOL = 15 mA,

VCC = 4.5 V to 6.0 V

—

—1

µA Vin = 0 V to VCC

Pull-up MOS –IPU

current

D0–D8

10

50 150

Note: 1. The test condition of HD4074849 is VCC = 4.5 V to 5.5 V.

2. Output buffer current is excluded.

µA VCC = 3 V,

Vin = 0 V

Note

1

2

LCD Circuit Characteristics (HD404848/HD4048412/HD404849: VCC = 2.7 to 6.0 V, GND = 0 V, Ta =

–20°C to +75°C; HD4074849: 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

Note

Segment

VDS

SEG13–SEG44 —

— 0.6

V Id = 3 µA

1

driver voltage

drop

Common

VDC

COM1–COM4 —

— 0.3

V Id = 3 µA

1

driver voltage

drop

LCD power RW

supply

division

resistance

50

300 900

kΩ Between V1 and GND

LCD voltage VLCD

V1

2.7

—

VCC

V

2

Notes: 1. VDS and VDC are the voltage drops from power supply pins V1, V2, V3, and GND to each segment

pin and each common pin, respectively.

2. When VLCD is supplied from an external source, the following relations must be retained:

VCC ≥ V1 ≥ V2 ≥ V3 ≥ GND

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