參數(shù)資料
型號(hào)： 100398QCX
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： ECL-to-TTL Translator
中文描述： QUAD TTL TO ECL TRANSCEIVER, COMPLEMENTARY OUTPUT, PQCC28
封裝： 0.450 X 0.450 INCH, PLASTIC, MO-047, LCC-28
文件頁(yè)數(shù)： 7/13頁(yè)
文件大小： 117K
代理商： 100398QCX
7
www.fairchildsemi.com
1
Industrial Version
(Continued)
ECL-to-TTL DC Electrical Characteristics
(Note 12)
V
EE
=
4.2V to
5.7V, GND
=
0V, T
C
=
40
°
C to
+
85
°
C, C
L
=
50 pF, V
TTL
=
+
4.5V to
+
5.5V
Symbol
Parameter
V
OH
Output HIGH Voltage
Note 12:
The specified limits represent the
“
worst case
”
value for the parameter. Since these values normally occur at the temperature extremes, additional
noise immunity and guardbanding can be achieved by decreasing the allowable system operating ranges. Conditions for testing shown in the tables are cho-
sen to guarantee operation under
“
worst case
”
conditions.
PCC TTL-to-ECL AC Electrical Characteristics
V
EE
=
4.2V to
5.7V, V
TTL
=
+
4.5V to
+
5.5V
Min
2.7
2.4
Typ
3.1
2.9
Max
Units
V
V
Conditions
I
OH
=
3 mA, V
TTL
=
4.75V
I
OH
=
3 mA, V
TTL
=
4.50V
I
OL
=
24 mA, V
TTL
=
4.50V
Guaranteed HIGH Signal for All Inputs
Guaranteed LOW Signal for All Inputs
V
OL
V
IH
V
IL
V
DIFF
V
CM
I
IH
I
IL
I
OZHT
I
OZLT
I
OS
I
CEX
I
ZZ
I
TTL
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
0.3
0.5
870
1480
V
1170
1830
150
mV
mV
Input Voltage Differential
Common Mode Voltage
Input HIGH Current
mV
V
μ
A
μ
A
μ
A
μ
A
mA
μ
A
μ
A
mA
mA
mA
Required for Full Output Swing
GNDECL
2.0
GNDECL
0.5
35
V
IN
=
V
IH(Max)
V
IN
=
V
IH(Min)
V
OUT
=
+
2.7V
V
OUT
=
+
0.5V
V
OUT
=
0.0V, V
TTL
=
+
5.5V
V
OUT
=
5.5V
V
OUT
=
5.25V
TTL Outputs LOW
TTL Outputs HIGH
TTL Outputs in 3-STATE
Input LOW Current
3-STATE Current Output High
3-STATE Current Output Low
0.50
70
650
100
Output Short-Circuit Current
Output HIGH Leakage Current
Bus Drainage Test
225
50
500
V
TTL
Supply Current
39
27
39
Symbol
Parameter
T
C
=
40
°
C
Min
180
T
C
=
+
25
°
C
Min
180
T
C
=
+
85
°
C
Min
180
Units
Conditions
Max
Max
Max
f
MAX
Toggle Frequency
MHz
t
PLH
t
PHL
T
n
to E
n
, E
n
(Transparent)
0.90
2.40
0.80
2.20
0.70
2.50
ns
Figures 1, 3
t
PLH
t
PHL
LE to E
n
, E
n
1.30
2.70
1.50
2.70
1.80
3.10
ns
Figures 1, 3
t
PZH
OE to E
n
, E
n
(Cutoff to HIGH)
2.90
9.00
2.80
6.90
2.80
5.80
ns
Figures 1, 3
t
PHZ
OE to E
n
, E
n
(HIGH to Cutoff)
1.10
2.70
1.40
2.90
1.70
3.40
ns
Figures 1, 3
t
PHZ
DIR to E
n
, E
n
(HIGH to Cutoff)
1.10
2.70
1.40
2.90
1.80
3.50
ns
Figures 1, 3
t
S
t
H
t
TLH
t
THL
T
n
to LE
T
n
to LE
Transition Time
0.70
0.90
0.70
0.90
0.70
0.90
ns
ns
Figures 1, 3
Figures 1, 3
0.45
2.20
0.45
1.50
0.45
1.50
ns
Figures 1, 3
20% to 80%, 80% to 20%
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