參數(shù)資料
型號： SN74F1056SC
廠商： Texas Instruments, Inc.
英文描述： 8-BIT SCHOTTKY BARRIER DIODE BUS-TERMINATION ARRAY
中文描述： 8位肖特基二極管總線終止陣列
文件頁數(shù)： 2/5頁
文件大小： 75K
代理商： SN74F1056SC
SN74F1056
8-BIT SCHOTTKY BARRIER DIODE
BUS-TERMINATION ARRAY
SDFS085A – AUGUST 1992 – REVISED JULY 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Steady-state reverse voltage, V
R
Continuous forward current, I
F
: Any D terminal from GND
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total through all GND terminals
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repetitive peak forward current, I
FRM
(see Note 1): Any D terminal from GND
Total through all GND terminals
Continuous total power dissipation at (or below) 25
°
C free-air temperature
Operating free-air temperature range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: These values apply for tw
≤
100
μ
s, duty cycle
≤
20%.
50 mA
170 mA
300 mA
1.2 A
500 mW
0
°
C to 70
°
C
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
single-diode operation (see Note 2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
A
IR
Static reverse current
VR = 7 V
IF = 18 mA
IF = 50 mA
IF = 200 mA
VR = 0,
VR = 2 V,
2
VF
Static forward voltage
0.8
1
V
1
1.2
VFM
Peak forward voltage
1.23
V
Ct
Total capacitance
f = 1 MHz
3
3.75
pF
f = 1 MHz
2.5
3
All typical values are at TA = 25
°
C.
NOTE 2: Test conditions and limits apply separately to each of the diodes. The diodes not under test are open-circuited during the measurement
of these characteristics.
multiple-diode operation
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
A
Ix
Internal crosstalk current
All typical values are at TA = 25
°
C.
NOTE 3: Ix is measured under the following conditions with one diode static, all others switching:
Switching diodes: tw = 100
μ
s, duty cycle = 20%
Static diode: VR = 5 V
The static diode input current is the internal crosstalk current Ix.
Total GND current = 1.2 A,
See Note 3
10
50
switching characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
trr
Reverse recovery time
IF = 10 mA,
IRM(REC) = 10 mA,
IR(REC) = 1 mA,
RL = 100
5
7
ns
undershoot characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VUS
Undershoot voltage
tf = 2 ns, tw = 50 ns, VIH = 5 V, VIL = 0, ZS = 25
, ZO = 50
,
L = 36-inch coax
0.6
0.7
V
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