SN55451B, SN55452B, SN55453B, SN55454B
SN75451B, SN75452B, SN75453B, SN75454B
DUAL PERIPHERAL DRIVERS
SLRS021B – DECEMBER 1976 – REVISED SEPTEMBER 1999
logic symbol
†
1A
1B
2A
2B
1
2
6
7
≥1
3
logic diagram (positive logic)
1
2
6
7
4
GND
5
2Y
3
1Y
1Y
1A
1B
5
2Y
2A
2B
† 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.
FUNCTION TABLE
(each driver)
A
L
L
H
H
B
L
H
L
H
Y
L (on state)
H (off state)
H (off state)
H (off state)
A
B
schematic (each driver)
VCC
4 kΩ
1.6 kΩ
4 kΩ
130
Ω
Y
positive logic:
Y = A+B or A B
500
Ω
1 kΩ
GND
Resistor values shown are nominal.
electrical characteristics over recommended operating free-air temperature range
PARAMETER
VIK
Input clamp voltage
TEST CONDITIONS‡
VCC = MIN,
VCC = MIN,
,
IOL = 100 mA
VCC = MIN,
,
IOL = 300 mA
High-level
High level output current
Input current at maximum input voltage
High-level input current
Low-level input current
Supply current, outputs high
VCC = MIN,
,
VOH = 30 V
VCC = MAX,
VCC = MAX,
VCC = MAX,
VCC = MAX,
II = – 12 mA
VIL = 0.8 V,
VIL = 0.8 V,
VIH = MIN,
,
VI = 5.5 V
VI = 2.4 V
VI = 0.4 V
VI = 5 V
–1
8
SN55453B
MIN
TYP§
MAX
– 1.2
0.25
0 25
0.5
05
– 1.5
0.5
05
0.8
08
300
1
40
– 1.6
11
–1
8
SN75453B
MIN
TYP§
MAX
– 1.2
0.25
0 25
0.5
05
– 1.5
0.4
04
V
0.7
07
100
1
40
– 1.6
11
68
µA
mA
µA
mA
mA
mA
UNIT
V
VOL
Low level output voltage
Low-level
IOH
II
IIH
IIL
ICCH
ICCL
Supply current, outputs low
VCC = MAX, VI = 0
54
68
54
‡ 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, V
CC
= 5 V, T
A
= 25°C
PARAMETER
tPLH
tPHL
tTLH
tTHL
VOH
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
Transition time, low-to-high-level output
Transition time, high-to-low-level output
High level output voltage after switching
High-level
SN55453B
SN75453B
VS = 20 V,
See Figure 2
IO
≈
300 mA,
VS – 6.5
IO
≈
200 mA,
,
RL = 50
Ω,
CL = 15 pF,
,
See Figure 1
TEST CONDITIONS
MIN
TYP
18
18
5
7
VS – 6.5
MAX
25
25
8
12
mV
ns
UNIT
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5
TI [ TEXAS INSTRUMENTS ]
