79RC32H434-300BCI IDT, 79RC32H434-300BCI Datasheet - Page 36
![no-image](/images/no-image-200.jpg)
79RC32H434-300BCI
Manufacturer Part Number
79RC32H434-300BCI
Description
Processors - Application Specialized
Manufacturer
IDT
Datasheet
1.79RC32H434-266BCGI.pdf
(53 pages)
Specifications of 79RC32H434-300BCI
Part # Aliases
IDT79RC32H434-300BCI
- Current page: 36 of 53
- Download datasheet (431Kb)
Power-on
Power-on
Power-on
Power-on Sequence
to propagate when the I/O powers are brought up.
IDT RC32434
Three power-on sequences are given below. Sequence #1 is recommended because it will prevent I/O conflicts and will also allow the input signals
A. Recommended Sequence
B. Reverse Voltage Sequence
If sequence A is not feasible, then Sequence B can be used:
C. Simultaneous Power-up
VccI/O, VccSI/O, and VccCore can be powered up simultaneously.
t2 > 0 whenever possible (V
t1 - t2 can be 0 (V
t1 <50ms and t2 <50ms to prevent damage.
Note: The ESD diodes may be damaged if one of the voltages is applied and one of the other voltages is at a ground level.
Sequence
Sequence
Sequence
Vcc3.3
Vcc1.2
Vcc2.5
VccCore
VccSI/O
VccI/O
V
cc
V
3.3V
V
1.2V
2.5V
cc
cc
cc
SI/O followed by V
SI/O
I/O
Core
cc
Core)
t2
cc
I/O)
t1
t1
t2
36 of 53
Time
Time
VccI/O -- 3.3V
VccSI/O -- 2.5V
VccCore -- 1.2V
VccI/O -- 3.3V
VccSI/O -- 2.5V
VccCore -- 1.2V
January 19, 2006
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