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參數(shù)資料
| 型號(hào)： | STPCD0175BTI3 |
| 廠(chǎng)商： | 意法半導(dǎo)體 |
| 元件分類(lèi)： | 微處理器 |
| 英文描述： | PC Compatible Embedded Microprocessor |
| 中文描述： | PC兼容嵌入式微處理器 |
| 文件頁(yè)數(shù)： | 30/48頁(yè) |
| 文件大?。?/td> | 762K |
| 代理商： | STPCD0175BTI3 |
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ELECTRICAL SPECIFICATIONS
30/48
Issue 1.7 - February 8, 2000
4. ELECTRICAL SPECIFICATIONS
4.1 INTRODUCTION
The electrical specifications in this chapterare val-
id for the STPC Client.
4.2 ELECTRICAL CONNECTIONS
4.2.1 POWER/GROUND CONNECTIONS/
DECOUPLING
Due to the high frequency of operation of the
STPC Client, it is necessary to install and test this
device using standard high frequency techniques.
The high clock frequencies used in the STPC Cli-
ent and its output buffer circuits can cause tran-
sient power surges when several output buffers
switch output levels simultaneously. These effects
can be minimized by filtering the DC power leads
with low-inductance decoupling capacitors, using
low impedance wiring, and by utilizing all of the
VSS and VDD pins.
4.2.2 UNUSED INPUT PINS
All inputs not used by the designer and not listed
in the table of pin connections in Chapter 3 should
be connected either to VDD or to VSS. Connect
active-high inputs to VDD through a 20 kW
(
±
10%) pull-down resistor and active-lowinputs to
VSS and connect active-low inputs to VCC
Table 4-1. Absolute Maximum Ratings
through a 20 kW (
±
10%) pull-up resistor to pre-
vent spurious operation.
4.2.3 RESERVED DESIGNATED PINS
Pins designated reserved should be left discon-
nected. Connecting a reserved pin to a pull-up re-
sistor, pull-down resistor, or an active signal could
cause unexpected results and possible circuit
malfunctions.
4.3 ABSOLUTE MAXIMUM RATINGS
The following table lists the absolute maximum
ratings for the STPC Client device. Stresses be-
yond those listed under Table 4-1 limits may
cause permanent damage to the device. These
are stress ratings only and do not imply that oper-
ation under any conditions other than those spec-
ified in section ”O(jiān)perating Conditions”.
Exposure to conditions beyond Table 4-1 may (1)
reduce device reliability and (2) result in prema-
ture failure even when there is no immediately ap-
parent sign of failure. Prolonged exposure to con-
ditions at or near the absolute maximum ratings
(Table 4-1) may also result in reduced useful life
and reliability.
Note 1 : -40
°
C limit of T
CASE
(extended temperature
range) is given a s a preliminary specification and so as
all the -40
°
C related data.
Symbol
V
DDx
V
I
, V
O
V
5T
V
ESD
T
STG
T
CASE
P
TOT
Parameter
Minimum
-0.3
-0.3
2.5
Maximum
4.0
VDD + 0.3
5
1500
+150
+100
4.8
Units
V
V
V
V
°
C
°
C
W
DC Supply Voltage
Digital Input and Output Voltage
5Volt Tolerance
ESD Capacity (Human body mode)
Storage Temperature
Operating Case Temperature (Note 1)
Total Power Dissipation
-40
-40
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