79RC32K438-200BBG IDT, 79RC32K438-200BBG Datasheet - Page 39
![no-image](/images/no-image-200.jpg)
79RC32K438-200BBG
Manufacturer Part Number
79RC32K438-200BBG
Description
Processors - Application Specialized
Manufacturer
IDT
Datasheet
1.79RC32K438-233BBG.pdf
(59 pages)
Specifications of 79RC32K438-200BBG
Product Category
Processors - Application Specialized
Rohs
yes
Part # Aliases
IDT79RC32K438-200BBG
- Current page: 39 of 59
- Download datasheet (603Kb)
Power-on Sequence
to propagate when the I/O powers are brought up.
A. Recommended Sequence
B. Reverse Voltage Sequence
C. Simultaneous Power-up
IDT 79RC32438
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
If sequence A is not feasible, then Sequence B can be used:
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.
Vcc3.3
Vcc1.2
Vcc2.5
VccCore
VccSI/O
VccI/O
V
cc
3.3V
V
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
39 of 59
Time
Time
VccI/O -- 3.3V
VccSI/O -- 2.5V
VccCore (266/300MHz) -- 1.3V
VccCore (200/233MHz) -- 1.2V
VccI/O -- 3.3V
VccSI/O -- 2.5V
VccCore (266/300MHz) -- 1.3V
VccCore (200/233MHz) -- 1.2V
May 25, 2004
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