Um82c8167

Real-Time Clock (RTC)

Pinout

DIP24
         +---\/---+
     *CS | 1    24| Vdd
     *RD | 2    23| *POWER DOWN
     *WR | 3    22| D7
     ROY | 4    21| D6
      A0 | 5    20| D5
      A1 | 6    19| D4
      A2 | 7    18| D3
      A3 | 8    17| D2
      A4 | 9    16| D1
    OSC1 |10    15| D0
    OSC2 |11    14| *STANDBY INTERRUPT / OUTPUT
     Vss |12    13| INTERRUPT OUTPUT
         +--------+

Frequency

DIP64
Set reader to FREQ, put black probe to GND, red probe to 10 and to 11 to measure CPU clock

Files

• 
  UM82C8167 Datasheet