Z0847006PSG Zilog, Z0847006PSG Datasheet - Page 31
Z0847006PSG
Manufacturer Part Number
Z0847006PSG
Description
IC 6MHZ Z80 NMOS DART 40-DIP
Manufacturer
Zilog
Series
Z80r
Datasheet
1.Z0847006PSG.pdf
(330 pages)
Specifications of Z0847006PSG
Processor Type
Z80
Features
Dual Channel Asynchronous Receiver/Transmitter (DART)
Speed
6MHz
Voltage
5V
Mounting Type
Through Hole
Package / Case
40-DIP (0.620", 15.75mm)
Mounting Style
Through Hole
Cpu Speed
6MHz
Digital Ic Case Style
DIP
No. Of Pins
40
Supply Voltage Range
5V
Operating Temperature Range
0°C To +70°C
Svhc
No SVHC (18-Jun-2010)
Base Number
847006
Rohs Compliant
Yes
Clock Frequency
6MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z0847006PSG
Manufacturer:
Zilog
Quantity:
22
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UM008101-0601
Table 4. Channel Select Truth Table
CE
Chip Enable (input, active Low). A Low level on this pin enables the
CTC to accept control words, interrupt vectors, or time constant data
words from the Z80 data bus during an I/O Write cycle; or to transmit the
contents or the down-counter to the CPU during an I/O Read cycle. In
most applications this signal is decoded from the eight least-significant
bits of the address bus for any of the four I/O port addresses that are
mapped to the four Counter/Timer channels.
Clock(
System Clock (input). This single-phase clock is used by the CTC to
internally synchronize certain signals.
M1
Machine Cycle One Signal from CPU (input, active low). When M1 is
active and the RD signal is active, the CPU fetches an instruction from
memory. When M1 is active and the IORQ signal is active, the CPU
acknowledges an interrupt, alerting the CTC to place an interrupt vector on
the Z80 data bus if it has daisy-chain priority and one of its channels has
requested an interrupt.
Channel 0
Channel 2
Channel 3
Channel l
Φ
)
CS1
0
0
1
1
CS0
0
1
0
1
Counter/Timer Channels
< % 2 7 2 G T K R J G T C N U
7 U G T / C P W C N
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