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SN75451BP Datasheet(PDF) 3 Page - Texas Instruments

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Part No. SN75451BP
Description  DUAL PERIPHERAL DRIVERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN75451BP Datasheet(HTML) 3 Page - Texas Instruments

 
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SN55451B, SN55452B, SN55453B, SN55454B
SN75451B, SN75452B, SN75453B, SN75454B
DUAL PERIPHERAL DRIVERS
SLRS021B – DECEMBER 1976 – REVISED SEPTEMBER 1999
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic symbol
&
5
3
2B
2A
1B
1A
2Y
1Y
7
6
2
1
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC publication 617-12.
Pin numbers shown are for the D, JG, and P packages.
logic diagram (positive logic)
2B
2A
1B
1A
4
5
3
GND
2Y
1Y
7
6
2
1
FUNCTION TABLE
(each driver)
A
B
Y
L
L
L (on state)
L
H
L (on state)
H
L
L (on state)
H
H
H (off state)
positive logic:
Y = AB or A+B
electrical characteristics over recommended operating free-air temperature range
PARAMETER
TEST CONDITIONS‡
SN55451B
SN75451B
UNIT
PARAMETER
TEST CONDITIONS‡
MIN
TYP§
MAX
MIN
TYP§
MAX
UNIT
VIK
Input clamp voltage
VCC = MIN,
II = – 12 mA
– 1.2
– 1.5
– 1.2
– 1.5
V
VCC = MIN,
VIL = 0.8 V,
025
05
025
04
VOL
Low level output voltage
CC
IOL = 100 mA
IL
0.25
0.5
0.25
0.4
V
VOL
Low-level output voltage
VCC = MIN,
VIL = 0.8 V,
05
08
05
07
V
CC
IOL = 300 mA
IL
0.5
0.8
0.5
0.7
IOH
High level output current
VCC = MIN,
VIH = MIN,
300
100
µA
IOH
High-level output current
CC
VOH = 30 V
IH
300
100
µA
II
Input current at maximum input voltage
VCC = MAX,
VI = 5.5 V
1
1
mA
IIH
High-level input current
VCC = MAX,
VI = 2.4 V
40
40
µA
IIL
Low-level input current
VCC = MAX,
VI = 0.4 V
–1
– 1.6
–1
– 1.6
mA
ICCH
Supply current, outputs high
VCC = MAX,
VI = 5 V
7
11
7
11
mA
ICCL
Supply current, outputs low
VCC = MAX,
VI = 0
52
65
52
65
mA
‡ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
§ All typical values are at VCC = 5 V, TA = 25°C.
switching characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPLH
Propagation delay time, low-to-high-level output
18
25
tPHL
Propagation delay time, high-to-low-level output
IO ≈ 200 mA, CL = 15 pF,
18
25
ns
tTLH
Transition time, low-to-high-level output
O
RL = 50 Ω,
L
See Figure 1
5
8
ns
tTHL
Transition time, high-to-low-level output
7
12
VOH
High level output voltage after switching
SN55451B
VS = 20 V,
IO ≈ 300 mA,
VS – 6.5
mV
VOH
High-level output voltage after switching
SN75451B
S
,
See Figure 2
O
,
VS – 6.5
mV
VCC
A
GND
Y
500
1 k
B
4 k
1.6 k
130
Resistor values shown are nominal.
schematic (each driver)


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