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ComponentWCH(Jiangsu Qin Heng)

CH455H

数码管驱动及键盘控制芯片

Key specifications

PackageSOP-18-300mil
Stock1,271
Unit price0.2429 USD
Min. pack1
ComplianceRoHS
Clock Frequency4MHz
Operating Temperature-40℃~+85℃
Digit Drive Current160mA
Configuration7 Segment × 4 Digit、8 Segment x 4 Digit
Voltage - Supply2.7V~5V
Quiescent Current50uA
FeaturesPWM dimming、Internal reset function
Segment Drive Current25mA
InterfaceI²C

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Alternatives and watch items

No comparable alternatives on record. Device substitution depends on package, electrical parameters and lot consistency, so no automatic recommendation is made; use the cross-reference tool for parameter checks.