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TL145406DWE4 数据表(PDF) 5 Page - Texas Instruments

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部件名 TL145406DWE4
功能描述  TRIPLE RS-232 DRIVERS/RECEIVERS
Download  14 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TL145406DWE4 数据表(HTML) 5 Page - Texas Instruments

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TL145406
TRIPLE RS-232 DRIVERS/RECEIVERS
SLLS185D – DECEMBER 1994 – REVISED JULY 2001
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
DRIVER SECTION
electrical characteristics over recommended operating free-air temperture range, VDD = 9 V,
VSS = –9 V, VCC = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
VIL = 0.8 V,
RL = 3 kΩ,
See Figure 1
6
7.5
V
VOL
Low-level output voltage (see Note 3)
VIH = 1.9 V,
RL = 3 kΩ,
See Figure 1
–7.5
–6
V
IIH
High-level input current
VI = 5 V,
See Figure 2
10
µA
IIL
Low-level input current
VI = 0,
See Figure 2
–1.6
mA
IOS(H)
High-level short-circuit output current
(see Note 4)
VIL = 0.8 V,
VO = 0 or VSS,
See Figure 1
–4.5
–10
–19.5
mA
IOS(L)
Low-level short-circuit output current
VIH = 2 V,
VO = 0 or VDD,
See Figure 1
4.5
10
19.5
mA
rO
Output resistance (see Note 5)
VCC = VDD = VSS = 0, VO = –2 V to 2 V
300
NOTES:
3. The algebraic convention, where the more positive (less negative) limit is designated as maximum, is used in this data sheet for logic
levels only (e.g., if –10 V is maximum, the typical value is a more negative voltage).
4. Output short-circuit conditions must maintain the total power dissipation below absolute maximum ratings.
5. Test conditions are those specified by TIA/EIA-232-F and as listed above.
switching characteristics, VCC = 5 V, VDD = 12 V, VSS = –12 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPLH Propagation delay time, low- to high-level output
RL = 3 kΩ to 7 kΩ, CL = 15 pF, See Figure 3
315
500
ns
tPHL Propagation delay time, high- to low-level output
RL = 3 kΩ to 7 kΩ, CL = 15 pF, See Figure 3
75
175
ns
RL = 3 kΩ to 7 kΩ, CL = 15 pF, See Figure 3
60
100
ns
tTLH
Transition time, low- to high-level output
RL = 3 kΩ to 7 kΩ, CL = 2500 pF,
See Figure 3 and Note 6
1.7
2.5
µs
RL = 3 kΩ to 7 kΩ, CL = 15 pF, See Figure 3
40
75
ns
tTHL
Transition time, high- to low-level output
RL = 3 kΩ to 7 kΩ, CL = 2500 pF,
See Figure 3 and Note 7
1.5
2.5
µs
NOTES:
6. Measured between –3-V and 3-V points of the output waveform (TIA/EIA-232-F conditions). All unused inputs are tied.
7. Measured between 3-V and –3-V points of the output waveform (TIA/EIA-232-F conditions). All unused inputs are tied.


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