74ac620 IK Semicon Co., Ltd, 74ac620 Datasheet

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74ac620

Manufacturer Part Number
74ac620
Description
Octal 3-state Inverting Bus Transceiver
Manufacturer
IK Semicon Co., Ltd
Datasheet
Octal 3-State Inverting
Bus Transceiver
High-Speed Silicon-Gate CMOS
HC/HCT620. The device inputs are compatible with standard CMOS
outputs; with pullup resistors, they are compatible with LS/ALS outputs.
communication between data buses. Two separate enables are available.
The enable for bus A to B is active-high, the enable for bus B to A is
active-low.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 μA; 0.1 μA @ 25°C
• High Noise Immunity Characteristic of CMOS Devices
• Outputs Source/Sink 24 mA
The IN74AC620 is identical in pinout to the LS/ALS620,
The IN74AC620 is a 3-state transceiver that is used for 2-way
LOGIC DIAGRAM
PIN 10 = GND
PIN 20=V
CC
Output
Enable
H
H
L
L
Control Inputs
FUNCTION TABLE
T
ORDERING INFORMATION
A
Direction
PIN ASSIGNMENT
= -40° to 85° C for all packages
H
H
L
L
IN74AC620DW SOIC
IN74AC620N Plastic
TECHNICAL DATA
IN74AC620
Data Transmitted
from Bus B to
Bus A (inverted)
Data Transmitted
from Bus A to
Bus B (inverted)
Buses Isolated
(High Impedance
State)
Operation
Rev. 00

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74ac620 Summary of contents

Page 1

... HC/HCT620. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs. The IN74AC620 is a 3-state transceiver that is used for 2-way communication between data buses. Two separate enables are available. The enable for bus active-high, the enable for bus active-low. • ...

Page 2

... Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or V outputs must be left open. Parameter and GND Pins CC SOIC Package+ Parameter * and V should be constrained to the range GND≤(V IN OUT IN74AC620 Value Unit -0.5 to +7 ±20 mA ±50 mA ±50 mA 750 mW 500 ° ...

Page 3

... OL I = = GND 5 (OE 5 GND GND OUT CC V =1.65 V Max 5.5 OLD V =3.85 V Min 5.5 OHD GND 5 IN74AC620 Guaranteed Limits 25 °C Unit -40°C to 85°C 2.1 2.1 V 3.15 3.15 3.85 3.85 0.9 0.9 V 1.35 1.35 1.65 1.65 2.9 2.9 V 4.4 4.4 5.4 5.4 2.56 2.46 3.86 3.76 4.86 4.76 0.1 0.1 V 0.1 0.1 0.1 0.1 0.36 0.44 0.36 0.44 0.36 0.44 ±0.1 ±1.0 μA ± ...

Page 4

... Power Dissipation Capacitance PD Voltage Range 3 3.3 V ±0 Voltage Range 5 5.0 V ±0.5 V Figure 1. Switching Waveforms (C =50pF,Input t =t =3.0 ns Guaranteed Limits CC 25 °C V Min Max Min 3.3 1.5 8.5 1.0 5.0 1.5 6.5 1.0 3.3 1.5 8.5 1.0 5.0 1.5 6.0 1.0 3.3 2.5 11.5 2.0 5.0 1.5 8.5 1.0 3.3 2.5 12.0 2.0 5.0 1.5 9.0 1.0 3.3 2.0 12.0 1.0 5.0 1.5 9.0 1.0 3.3 2.0 12.0 1.5 5.0 1.5 9.0 1.0 5.0 4.5 Typical @25°C,V =5 Figure 2. Switching Waveforms IN74AC620 Unit -40°C to 85°C Max 9.5 ns 7.5 9.5 ns 7.0 13.0 ns 9.5 13.5 ns 10.0 13.0 ns 10.0 13.0 ns 10.0 4 Rev. 00 ...

Page 5

... EXPANDED LOGIC DIAGRAM IN74AC620 Rev. 00 ...

Page 6

... Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B ‑ 0.25 mm (0.010) per side. N SUFFIX PLASTIC DIP (MS - 001AD SEATING -T- PLANE SUFFIX SOIC (MS - 013AC SEATING PLANE IN74AC620 Dimension, mm Symbol MIN MAX A 24.89 26.92 B 6.1 7.11 5. 0.36 0.56 F 1.14 1.78 G 2.54 7. 0° 10° K 2.92 3.81 7.62 8.26 L ...

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