參數(shù)資料
型號: TS68C429AVR
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: CMOS ARINC 429 Multichannel Receiver/ Transmitter MRT
中文描述: 3 CHANNEL(S), 2.5M bps, SERIAL COMM CONTROLLER, CPGA84
封裝: PGA-84
文件頁數(shù): 8/43頁
文件大?。?/td> 1638K
代理商: TS68C429AVR
8
TS68C429A
2120A–HIREL–08/02
This device contains protective circuitry against damage due to high static voltages or
electrical fields: however, it is advised that normal precautions be taken to avoid applica-
tion of any voltages higher than maximum-rated voltages to this high-impedance circuit.
Reliability of operation is enhanced if unused inputs are tied to an appropriate logic volt-
age level (e.g., either GND or VCC).
Figure 3.
Clock Input Timing Diagram
Note:
Timing measurements are referenced to and from a low of 0.8-volt and a high voltage of
2.25 volts, unless otherwise noted. The voltage swing through this range should start
outside and pass through the range such that the rise or fall will be linear between
0.8-volt and 2.25 volts.
Unless otherwise stated, all voltages are referenced to the reference terminal.
Table 2.
Recommended Condition of Use
Symbol
Parameter
Test conditions
Min
Max
Units
V
CC
Supply Voltage
4.5
5.5
V
V
IL
Low Level Input Voltage
-0.5
0.8
V
V
IH
High Level Input Voltage
2.25
5.8
V
T
case
Operating Temperature
M suffix
-55
+125
°
C
V suffix
-40
+85
°
C
C
L
Output Loading Capacitance
130
pF
t
r
(c)
Clock Rise Time (See Figure 3)
5
ns
t
f
(c)
Clock Fall Time (See Figure 3)
5
ns
f
c
Clock System Frequency
(See Figure 3)
0.5
20
MHz
Table 3.
Thermal Characteristics
Package
Symbol
Parameter
Value
Unit
PGA 68
θ
J-A
θ
J-C
θ
J-A
θ
J-C
Thermal Resistance Junction-to-ambient
28
°
C/W
Thermal Resistance Junction-to-case
2
°
C/W
CQFP 132
Thermal Resistance Junction-to-ambient
27
°
C/W
Thermal Resistance Junction-to-case
3
°
C/W
0.8V
2.25V
tcyc
tCL
tCH
tCF
tCR
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