Z84C3006PEG Zilog, Z84C3006PEG Datasheet - Page 31
Z84C3006PEG
Manufacturer Part Number
Z84C3006PEG
Description
IC 6MHZ Z80 CMOS CTC 28-PDIP
Manufacturer
Zilog
Type
Counter/Timer Circuit (CTC)r
Series
Z80r
Specifications of Z84C3006PEG
Frequency
6MHz
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
8mA
Operating Temperature
-40°C ~ 100°C
Package / Case
28-DIP (0.600", 15.24mm)
Processor Series
Z84C3xx
Core
Z80
Data Bus Width
8 bit
Maximum Clock Frequency
6 MHz
Operating Supply Voltage
0 V to 5 V
Maximum Operating Temperature
+ 100 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Filter Terminals
SMD
Ic Generic Number
84C30
Operating Temperature Min
-40°C
Operating Temperature Max
100°C
Clock Frequency
6MHz
Rohs Compliant
Yes
Cpu Speed
6MHz
Digital Ic Case Style
DIP
No. Of Pins
28
Supply Voltage Range
5V
Operating Temperature Range
-40°C To +100°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Count
-
Lead Free Status / Rohs Status
Details
Other names
269-3910
Z84C3006PEG
Z84C3006PEG
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TIMING
UM008005-0205
Overview
The Z80 CPU executes instructions by stepping through a precise set of
basic operations. These include:
•
•
•
All instructions are series of basic operations. Each of these operations can
take from three to six clock periods to complete or they can be lengthened to
synchronize the CPU to the speed of external devices. The clock periods are
referred to as T (time) cycles and the operations are referred to as M
(machine) cycles. Figure 4 illustrates how a typical instruction is series of
specific M and T cycles. Notice that this instruction consists of three
machine cycles (M1, M2, and M3). The first machine cycle of any
instruction is a fetch cycle which is four, five, or six T cycles long (unless
lengthened by the WAIT signal, which is described in the next section). The
fetch cycle (M1) is used to fetch the opcode of the next instruction to be
executed. Subsequent machine cycles move data between the CPU and
memory or I/O devices, and they may have anywhere from three to five T
cycles (again, they may be lengthened by wait states to synchronize the
external devices to the CPU). The following paragraphs describe the timing
which occurs within any of the basic machine cycles.
During T2 and every subsequent Tw, the CPU samples the WAIT line with
the falling edge of Clock. If the WAIT line is active at this time, another
WAIT state is entered during the following cycle. Using this technique, the
read can be lengthened to match the access time of any type of memory
device.
Memory Read or Write
I/O Device Read or Write
Interrupt Acknowledge
User’s Manual
Z80 CPU
Overview
11
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