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參數(shù)資料
| 型號： | STPCCONSUMER-S |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | 連接器附件 |
| 文件頁數(shù)： | 28/51頁 |
| 文件大?。?/td> | 836K |
| 代理商： | STPCCONSUMER-S |
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ELECTRICAL SPECIFICATIONS
28/51
Release B
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
4 ELECTRICAL SPECIFICATIONS
4.1 Introduction
The electrical specifications in this chapterare val-
id for the STPC Consumer-S.
4.2 Electrical Connections
4.2.1 Power/Ground Connections/Decoupling
Due to the high frequency of operation of the
STPC Consumer-S, it is necessary to install and
test this device using standard high frequency
techniques. The high clock frequencies used in
the STPC Consumer-S and its output buffer cir-
cuits can cause transient power surges when sev-
eral output buffers switch output levels simultane-
ously. These effects can be minimized by filtering
the DC power leads with low-inductance decou-
pling 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 k
(
±
10%)
pull-down resistor and active-low inputs to VSS
and connect active-low inputs to VCC through a
20 k
(
±
10%) pull-up resistor to prevent 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 Consumer-S device. Stress-
es beyond 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.
Table 4.1. Absolute Maximum Ratings
Symbol
V
DDx
V
I
, V
O
T
STG
T
OPER
P
TOT
Parameter
Value
-0.3, 4.0
-0.3, VDD + 0.3
-40, +150
0, +70
4.8
Units
V
V
°
C
°
C
W
DC Supply Voltage
Digital Input and Output Voltage
Storage Temperature
Operating Temperature
Total Power Dissipation
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