MC74LVX245_14 Datasheet, PDF (1/7 Pages) ON Semiconductor – Octal Bus Transceiver

MC74LVX245
Octal Bus Transceiver
With 5 V−Tolerant Inputs
The MC74LVX245 is an advanced high speed CMOS octal bus
transceiver.
It is intended for two−way asynchronous communication between
data buses. The direction of data transmission is determined by the
level of the T/R input. The output enable pin (OE) can be used to
disable the device, so that the buses are effectively isolated.
All inputs are equipped with protection circuits against static
discharge.
Features
• High Speed: t_PD = 4.7 ns (Typ) at V_CC = 3.3 V
• Low Power Dissipation: I_CC = 4 mA (Max) at T_A = 25°C
• Power Down Protection Provided on Inputs
• Balanced Propagation Delays
• Low Noise: V_OLP = 0.8 V (Max)
• Pin and Function Compatible with Other Standard Logic Families
• Latchup Performance Exceeds 300 mA
• ESD Performance: Human Body Model > 2000 V;
Machine Model > 200 V
• These Devices are Pb−Free and are RoHS Compliant
Application Notes
• Do Not Force a Signal on an I/O Pin when it is an Active Output,
Damage May Occur
• All Floating (High Impedance) Input or I/O Pins must be Fixed by
Means of Pullup or Pulldown Resistors or Bus Terminator ICs
• A Parasitic Diode is Formed between the Bus and V_CC Terminals
Therefore, the LVX245 cannot be Used to Interface 5.0 V to 3.0 V
Systems Directly
© Semiconductor Components Industries, LLC, 2014
1
August, 2014 − Rev. 5
http://onsemi.com
SOIC−20
DW SUFFIX
CASE 751D
TSSOP−20
DT SUFFIX
CASE 948E
PIN ASSIGNMENT
V_CC OE B0 B1 B2 B3 B4 B5 B6 B7
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
T/R A0 A1 A2 A3 A4 A5 A6 A7 GND
20−Lead (Top View)
MARKING DIAGRAMS
20
LVX245
AWLYYWWG
1
SOIC−20
20
LVX
245
ALYWG
G
1
TSSOP−20
LVX245
A
WL, L
Y
WW, W
G or G
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
Publication Order Number:
MC74LVX245/D