IA6805E2 Datasheet PDF - InnovASIC
| Part Number | IA6805E2 | |
| Description | Microprocessor Unit | |
| Manufacturers | InnovASIC | |
| Logo |  |
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There is a preview and IA6805E2 download ( pdf file ) link at the bottom of this page. Total 32 Pages | ||
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IA6805E2
Microprocessor Unit
Preliminary Data Sheet
FEATURES
• Form, Fit, and Function Compatible with the Harris© CDP6805E2CE and Motorola©
MC146805E2
• Internal 8-bit Timer with 7-Bit Programmable
Prescaler
• On-chip Clock
• Memory Mapped I/O
• Versatile Interrupt Handling
• True Bit Manipulation
• Bit Test and Branch Instruction
• Vectored Interrupts
• Power-saving STOP and WAIT Modes
• Fully Static Operation
• 112 Bytes of RAM
The IA6805E2 is a "plug-and-play" drop-in replacement for the original IC. innovASIC produces
replacement ICs using its MILESTM, or Managed IC Lifetime Extension System, cloning technology. This
technology produces replacement ICs far more complex than "emulation" while ensuring they are compatible
with the original IC. MILESTM captures the design of a clone so it can be produced even as silicon
technology advances. MILESTM also verifies the clone against the original IC so that even the
"undocumented features" are duplicated. This data sheet documents all necessary engineering information
about the IA6805E2 including functional and I/O descriptions, electrical characteristics, and applicable
timing.
Functional Block Diagram
RESET_N
IRQ_N
LI
DS
RW_N
AS
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
A12
A11
A10
A9
A8
VSS
(1) IA6805E2
(2)
40 Pin DIP
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(40)
(39)
(38)
(37)
(36)
(35)
(34)
(33)
(32)
(31)
(30)
(29)
(28)
(27)
(26)
(25)
(24)
(23)
(22)
(21)
VDD
OSC1
OSC2
TIMER
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
B0
B1
B2
B3
B4
B5
B6
B7
AS
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
NC
NC
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
IA6805E2
44 Pin LCC
(39) PB1
(38) PB2
(37) PB3
(36) PB4
(35) PB5
(34) PB6
(33) PB7
(32) B0
(31) B1
(30) B2
(29) B3
Copyright © 2000
innovASIC
The End of Obsolescence™
Page 1 of 32
www.innovasic.com
Customer Support:
1-888-824-4184
|
| |
 
IA6805E2
Microprocessor Unit
Preliminary Data Sheet
Figure 3: OSC1, OSC2 (System Clock)
Crystal Parameters Representative Frequencies:
RS max
C0
C1
Q
COSC1
COSC2
5.0 MHz
50Ω
8 pF
0.02 pF
50 k
15-30 pF
15-25 pF
4.0 MHz
75Ω
7 pF
0.012 pF
40 k
15-30 pF
15-25 pF
1.0 MHz
400Ω
5 pF
0.008 pF
30 k
15-40 pF
15-30 pF
Oscillator Connections:
38
OSC2
38
OSC2
CRYSTAL CIRCUIT
L
C1 RS
39
C0
OSC1
39
OSC1
CRYSTAL OSCILLATOR CONNECTIONS
ia6805E2
10 MΩ
38
39
OSC2
C OSC2
OSC1
C OSC1
OSC1 PIN
tOL
t
tOLOL
tOH
Figure 4: OSC1, OSC2 (System Clock)
OSC1 to Bus Transitions Timing Waveforms:
OSC1
39
OSC2
NC 38
IA6805E2
OSC1
AS
DS
RW_n
A[12:8]
B[7:0]
MPU READ
MUX ADDR
MPU
READ
DATA*
B[7:0]
MPU WRITE
MUX ADDR
MPU WRITE DATA
*READ DATA "LATCHED" ON DS FALL
Copyright © 2000
innovASIC
The End of Obsolescence™
Page 5 of 32
www.innovasic.com
Customer Support:
1-888-824-4184
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for IA6805E2 electronic component. |
| Information | Total 32 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ IA6805E2.PDF Datasheet ] | |
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