HS-80C86RH(1995) Просмотр технического описания (PDF) - Intersil
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HS-80C86RH Datasheet PDF : 37 Pages
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Timing Diagrams
HS-80C86RH
F5
READY
4T
READY TIMING AS COMPARED TO F5
F14
F16
RESET
NMI
PULSE
RESET, NMI, AND MN/MX TIMING AS COMPARED TO F14 AND F16
F0 = 100kHz, 50% duty cycle square wave.
F1 = F0/2, F2 = F1/2 . . . F16 = F15/2.
READY, RESET, and NMI timing are as shown below:
T = 10µs.
All signals have rise/fall time limits:
100ns < t-rise, t-fall < 500ns
RESET has a pulse width = 8T and occurs every two cycles of F16.
NMI has a pulse width = 4T and occurs every two cycles of F16.
MN/MX is a 50% duty cycle square wave and changes every eight
cycles of F16.
Irradiation Circuit
R2
R2
R2
R2
R2
R2
R2
R2
R2
R2
R2
R2
R2
R2
R2
R3
R3
R3
CLOCK
1 VSS
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 NMI
18 INTR
19 CLK
20 GND
VCC 40
39
38
37
36
35
34
MN/MX 33
32
HOLD 31
HLDA 30
29
28
27
26
25
24
TEST 23
READY 22
RESET 21
VDD
R2
R2 LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
R2
R3 LOAD
R2
R3
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
R3
R3
R3
2.7KΩ
2.7KΩ
RESET
NOTES:
1. VDD = 5.0V ± 0.5V
2. R2 = 3.3kΩ, R3 = 47kΩ
3. Pins Tied to GND: 1-18, 20, 23, 39
Pins Tied to VCC: 22, 31, 33, 40
Pins With Loads: 24-29, 30, 32, 34-38
Pins Brought Out: 19 (Clock), 21 (Reset)
4. Clock and reset should be brought out separately so they can be
toggled before irradiation.
5. Group E Sample Size is 2 Die/Wafer.
Spec Number 518055
882
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