ICM7217CIPL 查看數據表（PDF） - Intersil

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产品描述 (功能)

生产厂家

ICM7217CIPL

4-Digit LED Display, Programmable Up/Down Counter

Intersil 

Timing Waveforms

SCAN

INTERNAL OSC

OUTPUT

D4

INTERNAL

D3

(BCD AND

SEGMENT

ENABLE)

D2

D1

10µs TYP

FREE-RUNNING

D4

INTERNAL

(COMMON

D3

ANODE

DIGIT

STROBES)

D2

D1

ICM7217

400µs TYP

FREE-RUNNING

INTERDIGIT BLANK

UP/DOWN

COUNT INPUT

CARRY/BORROW

EQUAL

ZERO

FIGURE 1. MULTIPLEX TIMING

tUCS

tUCH

tCWH

tCB

tCEL

tCZL

tBW

tCWL

tCEH

tCZH

FIGURE 2. COUNT AND OUTPUTS TIMING

5

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