參數(shù)資料
型號： LTC1320
廠商： Linear Technology Corporation
英文描述： AppleTalk Transceiver
中文描述： AppleTalk的收發(fā)器
文件頁數(shù)： 3/8頁
文件大?。?/td> 213K
代理商： LTC1320
3
LTC1320
SWITCHU
SYMBOL
t
PLH, HL
t
SKEW
t
r, f
t
ENH, L
t
H, Ldis
t
PLH, HL
t
r, f
t
PLH, HL
t
ENH, L
t
H, Ldis
PARAMETER
Differential Driver Propagation Delay
Differential Driver Output to Output
Differential Driver Rise/Fall Time
Driver Enable to Output Active
Driver Output Active to Disable
Single-Ended Driver Propagation Delay
Single-Ended Driver Rise/Fall Time
Receiver Propagation Delay
Receiver Enable to Output Active
Receiver Output Active to Disable
CONDITIONS
R
L
= 100
, C
L
= 100pF (Figures 2, 8)
R
L
= 100
, C
L
= 100pF (Figures 2, 8)
R
L
= 100
, C
L
= 100pF (Figures 2, 8)
C
L
= 100pF (Figures 3, 4, 10)
C
L
= 15pF (Figures 3, 4, 10)
R
L
= 450
, C
L
= 100pF (Figures 5, 11)
R
L
= 450
, C
L
= 100pF (Figures 5, 12)
C
L
= 15pF (Figures 13, 14)
C
L
= 100pF (Figures 6, 7, 15)
C
L
= 15pF (Figures 6, 7, 15)
MIN
TYP
40
10
15
50
50
40
15
60
30
30
MAX
120
50
80
150
150
120
80
160
100
100
UNITS
G
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
G
G
G
G
G
G
G
G
G
V
S
=
±
5V
±
5%, T
A
= 0
°
C to 70
°
C (Notes 2, 3)
Note 2:
All currents into device pins are positive; all currents out of
device pins are negative. All voltages are referenced to ground unless
otherwise specified.
Note 3:
All typicals are given at V
S
=
±
5V, T
A
= 25
°
C.
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Differential Output Swing vs
Load Current
Output Swing vs Load Current
OUTPUT CURRENT (mA)
0
D
6
8
10
80
LTC1320 G02
4
2
0
20
40
60
100
Supply Current vs Temperature
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
PI FU
U
TXD (Pin 1):
RS422 Differential Driver Input (TTL Compat-
ible).
TXI (Pin 2):
RS562 Single-Ended Driver Input (TTL com-
patible.
TXDEN (Pin 3):
RS422 Differential Driver Output Enable
(TTL Compatible). A high level on this pin forces the
RS422 driver into three-state; a low level enables the
driver. This input does not affect the RS562 single-ended
driver.
SD (Pin 4):
Shutdown Input (TTL Compatible). When this
pin is high, the chip is shut down: all driver outputs three-
state and the supply current drops to 30
μ
A. A low on this
pin allows normal operation.
OUTPUT CURRENT (mA)
0
O
1
3
5
80
LTC1320 G01
–1
–3
–5
20
40
60
100
0
2
4
–2
–4
OUTPUT HIGH
OUTPUT LOW
TEMPERATURE (°C)
0
0
S
0.004
1.0
1.1
1.2
10
20
30
40
LTC1320 G03
50
60
70
0.002
I
DD
I
SS
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參數(shù)描述
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LTC1321CNPBF 制造商:Linear Technology 功能描述:LTC1321CNPBF
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