Z8018008VEG Zilog, Z8018008VEG Datasheet - Page 23

• Manufacturer Part Number: Z8018008VEG
• Description: IC 8MHZ Z180 CMOS ENH MPU 68PLCC
• Manufacturer: Zilog

Specifications of Z8018008VEG

• Processor Type: Z180
• Features: 8-Bit, Enhanced Z80 Megacell
• Speed: 8MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-LCC (J-Lead)
• Processor Series: Z8018xx
• Core: Z80
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Number Of Timers: 2
• Operating Supply Voltage: 0 V to 5 V
• Maximum Operating Temperature: + 100 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-3885; Z8018008VEG

PS014004-1106
IOC—
IOC = 1
When
IORQ
WR
and
This bit controls the timing of the
M1
IOC = 0
, the
f
Figure 12. I/O READ and WRITE Cycles with IOC = 0
Figure 11. I/O READ and WRITE Cycles with IOC = 1
RD
IORQ
IORQ
WR
IORQ
RD
WR
RD
, the timing of the
signals go active as a result of the rising edge of
φ
T
φ
Figure 10. M1 Temporary Enable Timing
1
and
WRITE into OMCR
T
RD
T
1
1
T
signals function the same as the Z64180
2
T
IORQ
T
2
2
T
3
and
IORQ
T
RD
T
W
W
T
1
and
signals match the timing of the Z80. The
Opcode Fetch
RD
T
T
3
signals. It is set to
3
T
2
T2
T
3
(see
(Figure
Microprocessor Unit
Figure
1
by
11).
RESET
12).
Architecture
Z80180
. When
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