HD404328FS View Datasheet(PDF) - Renesas Electronics

Part Name

Description

MFG CO.

HD404328FS

4-bit HMCS400-series microcomputer

Renesas Electronics 

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HD404328 Series

LCD Circuit Characteristics (HD404324, HD404326, HD404328: VCC = 2.7 V to 6.0 V, GND = 0.0 V,

Ta = –20°C to +75°C; HD404324U, HD404326U, HD404328U: VCC = 2.7 V to 6.0 V, GND = 0.0 V, Ta

= –40°C to +85°C; HD4074329, HD4074329U: VCC = 2.9 V to 5.5 V, GND = 0.0 V, Ta = –20°C to

+75°C; unless otherwise specified)

Item

Symbol Pin(s)

Min

Typ Max

Unit Test Conditions

Note

Segment driver

VDS

SEG1–SEG24

—

— 0.6

V Id = 3.0 µA

1

voltage drop

Common driver VDC

COM1–COM4

—

— 0.3

V Id = 3.0 µA

1

voltage drop

LCD power supply RW

division resistor

100

300 900

kΩ HD404324,

HD404326,

HD404328,

HD4074329:

Between V1 and

GND,

LCD voltage

VLCD

V1

V1 = VCC

2.7

— VCC

V HD404324,

2

HD404324U,

HD404326,

HD404326U,

HD404328,

HD404328U

2.9

— VCC

V HD4074329,

2

HD4074329U

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

segment pin and each common pin.

2. When VLCD is supplied from an external source, the following relations must be retained: VCC ≥ V1

≥ V2 ≥ V3 ≥ GND

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