參數(shù)資料
型號: AV108-59
廠商: Alpha Industries, Inc.
英文描述: AB 3C 3#16 SKT PLUG
中文描述: 砷化鎵集成電路35分貝電壓可變衰減器單陽性3 V控制0.5-2.5千兆赫
文件頁數(shù): 5/16頁
文件大小: 540K
代理商: AV108-59
SCLS107E DECEMBER 1982 REVISED SEPTEMBER 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
SN54HC138
MIN
SN74HC138
MIN
UNIT
(OUTPUT)
MIN
MAX
180
MAX
270
MAX
225
2 V
67
A, B, or C
Any Y
4.5 V
18
36
54
45
tpd
6 V
15
31
46
38
ns
2 V
66
155
235
195
Enable
Any Y
4.5 V
18
31
47
39
6 V
15
26
40
33
2 V
38
75
110
95
tt
Any
4.5 V
6 V
8
6
15
13
22
19
19
16
ns
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
85
pF
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORM
INPUT RISE AND FALL TIMES
50%
10%
50%
10%
90%
90%
VCC
0 V
tr
tf
Input
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
50%
50%
10%
50%
10%
90%
90%
VCC
VOH
VOL
0 V
tr
tf
Input
In-Phase
Output
50%
tPLH
tPHL
50%
10%
50%
10%
90%
90%
VOH
VOL
tr
tf
tPHL
tPLH
Out-of-Phase
Output
Test
Point
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
NOTES: A. CL includes probe and test-fixture capacitance.
B. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following
characteristics: PRR
1 MHz, ZO = 50
, tr = 6 ns, tf = 6 ns.
C. The outputs are measured one at a time with one input transition per measurement.
D. tPLH and tPHL are the same as tpd.
Figure 1. Load Circuit and Voltage Waveforms
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