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LTC1320CS 数据表(PDF) 3 Page - Linear Technology

部件名 LTC1320CS
功能描述  AppleTalk Transceiver
PDF  8 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1320CS 数据表(HTML) 3 Page - Linear Technology

  LTC1320CS Datasheet HTML 1Page - Linear Technology LTC1320CS Datasheet HTML 2Page - Linear Technology LTC1320CS Datasheet HTML 3Page - Linear Technology LTC1320CS Datasheet HTML 4Page - Linear Technology LTC1320CS Datasheet HTML 5Page - Linear Technology LTC1320CS Datasheet HTML 6Page - Linear Technology LTC1320CS Datasheet HTML 7Page - Linear Technology LTC1320CS Datasheet HTML 8Page - Linear Technology  
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LTC1320
SWITCHI G CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tPLH, HL
Differential Driver Propagation Delay
RL = 100Ω, CL = 100pF (Figures 2, 8)
q
40
120
ns
tSKEW
Differential Driver Output to Output
RL = 100Ω, CL = 100pF (Figures 2, 8)
q
10
50
ns
tr, f
Differential Driver Rise/Fall Time
RL = 100Ω, CL = 100pF (Figures 2, 8)
q
15
80
ns
tENH, L
Driver Enable to Output Active
CL = 100pF (Figures 3, 4, 10)
q
50
150
ns
tH, Ldis
Driver Output Active to Disable
CL = 15pF (Figures 3, 4, 10)
q
50
150
ns
tPLH, HL
Single-Ended Driver Propagation Delay
RL = 450Ω, CL = 100pF (Figures 5, 11)
q
40
120
ns
tr, f
Single-Ended Driver Rise/Fall Time
RL = 450Ω, CL = 100pF (Figures 5, 12)
q
15
80
ns
tPLH, HL
Receiver Propagation Delay
CL = 15pF (Figures 13, 14)
q
60
160
ns
tENH, L
Receiver Enable to Output Active
CL = 100pF (Figures 6, 7, 15)
q
30
100
ns
tH, Ldis
Receiver Output Active to Disable
CL = 15pF (Figures 6, 7, 15)
q
30
100
ns
VS = ±5V ±5%, TA = 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 VS = ±5V, TA = 25°C.
The q 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
6
8
10
80
LTC1320 • G02
4
2
0
20
40
60
100
Supply Current vs Temperature
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
PI FU CTIO S
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
µA. A low on this
pin allows normal operation.
OUTPUT CURRENT (mA)
0
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
0.004
1.0
1.1
1.2
10
20
30
40
LTC1320 • G03
50
60
70
0.002
IDD
ISS



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