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SN75C3222 bảng dữ liệu(PDF) 7 Page - Texas Instruments

tên linh kiện SN75C3222
Giải thích chi tiết về linh kiện  3-V to 5.5-V Single-channel RS-232 1-Mbits Line Driver and Receiver with ±15-kV IEC ESD Protection
PDF  26 Pages
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7.6 Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 10-1)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP(2)
MAX
UNIT
II
Input leakage current FORCEOFF, FORCEON, EN
±0.01
±1
μA
ICC
Supply current
(TA = 25°C)
Auto-powerdown disabled
No load,
FORCEOFF and FORCEON at VCC
0.3
1
mA
Powered off
No load, FORCEOFF at GND
1
10
μA
Auto-powerdown enabled
No load, FORCEOFF at VCC,
FORCEON at GND,
All RIN are open or grounded
1
10
(1)
Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.
(2)
All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
7.7 Driver Section: Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 10-1)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP(2) MAX
UNIT
VOH
High-level output voltage
DOUT at RL = 3 kΩ to GND,
DIN = GND
5
5.4
V
VOL
Low-level output voltage
DOUT at RL = 3 kΩ to GND,
DIN = VCC
–5
–5.4
V
IIH
High-level input current
VI = VCC
±0.01
±1
μA
IIL
Low-level input current
VI at GND
±0.01
±1
μA
IOS
Short-circuit output
current(3)
VCC = 3.6 V,
VO = 0 V
±35
±60
mA
VCC = 5.5 V,
VO = 0 V
±35
±90
ro
Output resistance
VCC, V+, and V– = 0 V,
VO = ±2 V
300
10M
Ioff
Output leakage current
FORCEOFF = GND
VO = ±12 V,
VCC = 3 V to 3.6 V
±25
μA
VO = ±10 V,
VCC = 4.5 V to 5.5 V
±25
(1)
Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.
(2)
All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
(3)
Short-circuit durations should be controlled to prevent exceeding the device absolute power-dissipation ratings, and not more than one
output should be shorted at a time.
7.8 Switching Characteristics: Driver
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 10-1)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP(2)
MAX UNIT
Maximum data rate
(see Figure 8-1)
RL = 3 kΩ
CL = 1000 pF
250
kbit/s
CL = 250 pF,
VCC = 3 V to 4.5 V
1000
CL = 1000 pF,
VCC = 4.5 V to 5.5 V
1000
tsk(p)
Pulse skew(3)
CL = 150 pF to 2500 pF, RL = 3 kΩ to 7 kΩ,
See Figure 8-2
100
ns
SR(tr)
Slew rate,
transition region
(see Figure 8-1)
VCC = 3.3 V,
RL = 3 kΩ to 7 kΩ,
CL = 150 pF to 1000 pF
18
150
V/μs
(1)
Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.
(2)
All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
(3)
Pulse skew is defined as |tPLH - tPHL| of each channel of the same device.
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SN65C3221E, SN75C3221E
SLLS694C – NOVEMBER 2005 – REVISED JULY 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: SN65C3221E SN75C3221E



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