UPD75P238KF中文資料瑞薩數據手冊PDF規(guī)格書

FEATURES

o mPD75238 pin compatible

o On-chip PROM: 32640 ′ 8

o On-chip RAM: 1024 ′ 4

o Drive capability in same supply voltage range as mask version mPD75238 (2.7 to 6.0 V)

o Ports 4 & 5: No pull-up resistor

o Port 7: No pull-down resistor

o High-voltage display outputs

. S0 to S8 & T0 to T9 : Internal pull-down resistors

. S9, S16 to S23 & T10 to T15: Open-drain