Z8L18020PSG Zilog, Z8L18020PSG Datasheet - Page 22

• Manufacturer Part Number: Z8L18020PSG
• Description: IC 20MHZ LOW POWER S180 64-DIP
• Manufacturer: Zilog

Specifications of Z8L18020PSG

• Processor Type: Z80
• Features: Enhanced DMA Support
• Speed: 20MHz
• Voltage: 5V
• Mounting Type: Through Hole
• Package / Case: 64-DIP (0.750", 19.05mm)
• Processor Series: Z8L18x
• Core: Z80
• Data Bus Width: 8 bit
• Program Memory Type: ROMLess
• Interface Type: SCI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Timers: 2
• Operating Supply Voltage: 0 V to 3.3 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

While the Z8S180/Z8L180 is in
to an external Master if the BREXT bit (CCR5) is
16 depicts the timing for this sequence.
A response to a bus request takes 8 clock cycles longer
than in normal operation.
mode, it grants the bus
1
. Figure
After the external Master negates the Bus Request, the
Z8S180/Z8L180 disables the
mode.
clock and remains in
ZiLOG