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w between this terminal and ground to shift the input threshold voltage
levels. An external capacitor can be connected from this terminal to ground to provide input noise filtering. * Input Resistance ... 3 k to 7k * Input Signal Range ... 30 V * Operates from Single 5 V Supply * Built-IN Input Hysteresis (Double Thresholds) * Response Control Provides: Input Tresold Shifting Input Noise Filtering * Satisfies Requirements of EIA RS-232C
ee Receivers Qudruple h S Line ta a The IN1489A is a monolithic quadruple line receivers designed to D requirements of the standard interface between data terminal satisfy the . equipment and data communication equipments as defined by EIA w standard RS-232C. A separate response terminal provided for w receiver. A resistor or a resistor andcontrolvoltage canis be connected each bias
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TECHNICAL DATA
IN1489A
LOGIC DIAGRAM
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ORDERING INFORMATION IN1489AN Plastic IN1489AD SOIC TA = -10 to 70 C for all packages
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PIN ASSIGNMENT
FUNCTION TABLE
Inputs A L H Output Y H L
PIN 14 =VCC PIN 7 = GND
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IN1489A
MAXIMUM RATINGS*
Symbol VCC VIN IO Tstg
*
Parameter Supply Voltage Input Voltage Output Current Storage Temperature Range
Value 6 25 10 -65 to +150
Unit V V mA C
Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol VCC VIH VIL IOL TA Supply Voltage High Level Input Voltage Low Level Input Voltage Low Level Output Current Ambient Temperature Range -10 -25 10 +70 Parameter Min Max 5.5 25 Unit V V V mA C
DC ELECTRICAL CHARACTERISTICS over full operating conditions
Guaranteed Limit Symbol VT+ VTVOH VOL IIH IIL IOS ICC Parameter Positive-Going Tthreshold Input Voltage Negaitive-Going Tthreshold Voltage High-Level Output Voltage High-Level Output Voltage High Level Input Current Low Level Input Current Short Circuit Output Current Supply Current VI=5 V, Outputs open VI= 0.75 V, IOL = -0.5 mA Input open, IOH=-0.5 mA VI= 3 V, IOL = 10 mA VI=25 V VI=3 V VI=-25 V VI=-3 V 3.6 0.43 -3.6 -0.43 -4.0 26 mA mA -8.3 mA Test Conditions Min 1.75 0.75 2.6 2.6 0.45 8.3 V mA Max 2.25 1.25 Unit V V V
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IN1489A
AC ELECTRICAL CHARACTERISTICS (T = 25C, VCC = 5.0 V, CL = 15 pF, tr=tf=5 ns)
Symbol tPLH tPHL tTLH tTHL Parameter Propagation Delay Time, Low-to-High Level Output (Figure 1) Propagation Delay Time, High-to-Low Level Output (Figure 1) Transition Time, Low-to-High Level Output (Figure 1) Transition Time, High-to-Low Level Output (Figure 1) Test Conditions RL=3.9 k RL=390 k RL=3.9 k RL=390 k Min Max 85 50 300 24 Unit ns ns ns ns
Figure 1. Switching Waveforms
NOTES A. CL includes probe and jig capacitance. B. All diodes are 1N916 or 1N3064/ Figure 2. Test Circuit
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IN1489A
N SUFFIX PLASTIC DIP (MS - 001AA)
A 14 8 B 1 7
Dimension, mm Symbol A B C MIN 18.67 6.1 MAX 19.69 7.11 5.33 0.36 1.14 2.54 7.62 0 2.92 7.62 0.2 0.38 10 3.81 8.26 0.36 0.56 1.78
F
L
D F
C -T- SEATING N G D 0.25 (0.010) M T K
PLANE
G H
H J
M
J K L M N
NOTES: 1. Dimensions "A", "B" do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side.
D SUFFIX SOIC (MS - 012AB) Dimension, mm
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A 14
Symbol A
MIN 8.55 3.8 1.35 0.33 0.4 1.27 5.27 0 0.1 0.19 5.8 0.25
MAX 8.75 4 1.75 0.51 1.27
H
B
P
B C
1
G
7 C R x 45
D F G
-TD 0.25 (0.010) M T C M K
SEATING PLANE
H
J F M
J K M P R
8 0.25 0.25 6.2 0.5
NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B 0.25 mm (0.010) per side.
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