HEF4520BT,
【NXP Semiconductors】HEF4520BT,652,IC COUNTER DUAL BINARY 16-SOIC
【NXP Semiconductors】HEF4520BT,653,IC BINARY COUNTER DUAL 16SOIC
【NXP Semiconductors】HEF4520BTD,计数器 IC DUAL COUNTER BINARY
HEF4520BT-Q100J,IC BINARY COUNTER DL 4BIT 16SO
HEF4521BP,
【NXP Semiconductors】HEF4521BP,652,IC FREQ DIVIDER 24STG 16DIP
【NXP Semiconductors】HEF4521BPN,增效器/分频器 24-ST FREQ DIVIDER
