MC146805E2CFN INNOVASIC [InnovASIC, Inc], MC146805E2CFN Datasheet - Page 5
MC146805E2CFN
Manufacturer Part Number
MC146805E2CFN
Description
Microprocessor Unit
Manufacturer
INNOVASIC [InnovASIC, Inc]
Datasheet
1.MC146805E2CFN.pdf
(31 pages)
- Current page: 5 of 31
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IA6805E2
Microprocessor Unit
Copyright
innovASIC
Crystal Parameters Representative Frequencies:
Oscillator Connections:
OSC1 to Bus Transitions Timing Waveforms:
2002
The End of Obsolescence
38
OSC2
38
OSC2
MPU WRITE
MPU READ
L
CRYSTAL CIRCUIT
RW_n
A[12:8]
B[7:0]
B[7:0]
OSC1
DS
AS
R
C0
C1
Q
C
C
C0
Figure 3. OSC1, OSC2 (System Clock)
S
OSC1
OSC2
*READ DATA "LATCHED" ON DS FALL
Figure 4. OSC1, OSC2 (System Clock)
C1
max
RS
OSC1 PIN
OSC1
OSC1
50
8 pF
0.02 pF
50 k
15-30 pF
15-25 pF
39
39
MUX ADDR
MUX ADDR
5.0 MHz
ENG21108140100
CRYSTAL OSCILLATOR CONNECTIONS
Page 5 of 31
OSC2
t
OL
75
7 pF
0.012 pF
40 k
15-30 pF
15-25 pF
4.0 MHz
38
t
OLOL
t
ia6805E2
C OSC2
10 M
MPU WRITE DATA
t
OH
39
400
5 pF
0.008 pF
30 k
15-40 pF
15-30 pF
OSC1
C
1.0 MHz
OSC1
DATA*
READ
MPU
As of Production Version 00
NC
OSC1
OSC2
39
38
IA6805E2
Data Sheet
www.innovasic.com
Customer Support:
1-888-824-4184
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