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74HC245 Schematic ( PDF Datasheet ) - ON Semiconductor

Teilenummer 74HC245
Beschreibung Octal 3-State Noninverting Bus Transceiver
Hersteller ON Semiconductor
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Gesamt 8 Seiten
74HC245 Datasheet, Funktion
74HC245
Octal 3−State Noninverting
Bus Transceiver
HighPerformance SiliconGate CMOS
The 74HC245 is identical in pinout to the LS245. The device inputs
are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
The HC245 is a 3state noninverting transceiver that is used for
2way asynchronous communication between data buses. The device
has an activelow Output Enable pin, which is used to place the I/O
ports into highimpedance states. The Direction control determines
whether data flows from A to B or from B to A.
Features
Output Drive Capability: 15 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 mA
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
ESD Performance: HBM > 2000 V; Machine Model > 200 V
Chip Complexity: 308 FETs or 77 Equivalent Gates
This is a PbFree Device
http://onsemi.com
MARKING
DIAGRAMS
20
1
20
TSSOP20
DT SUFFIX
CASE 948E
1
HC
245
ALYW G
G
HC245
A
L
Y
W
G
= Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= PbFree Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
© Semiconductor Components Industries, LLC, 2007
March, 2007 Rev. 1
1
Publication Order Number:
74HC245/D
Free Datasheet http://www.datasheet4u.com/






74HC245 Datasheet, Funktion
A1 2
A2 3
A3 4
A
DATA
PORT
A4 5
A5 6
A6 7
A7 8
A8 9
DIRECTION 1
OUTPUT ENABLE 19
74HC245
18 B1
17 B2
16 B3
15 B4
14 B5
B
DATA
PORT
13 B6
12 B7
11 B8
Figure 7. Expanded Logic Diagram
http://onsemi.com
6
Free Datasheet http://www.datasheet4u.com/

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