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Numéro de référence | NTE74LS641 | ||
Description | TTL- Non-Inverting Octal Bus Transceiver | ||
Fabricant | NTE | ||
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1 Page
NTE74LS641
Integrated Circuit
TTL− Non−Inverting Octal Bus Transceiver
with Open−Collector Outputs
Description:
The NTE74LS641 is an octal bus transceiver in a 20−Lead DIP type package designed for asynchronous
two−way communication between data buses. This device transmits data from the A bus to the B bus
or from the B bus to the A bus depending upon the level at the direction control (DIR) input. The enable
pin (G) can be used to disable the device so the buses are effectively isolated.
Features:
D Bi−Directional Bus Transceiver
D Hysteresis at Bus Inputs Improves Noise Margins
D Non−Inverting (True) Logic
D Open−Collector Outputs
Absolute Maximum Ratings: (Note 1)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Input Voltage, All Inputs and I/O Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to +70C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65C to +150C
Note 1. Voltage values are with respect to network ground terminal.
Recommended Operating Conditions:
Parameter
Supply Voltage
High−Level Input Voltage
Low−Level Input Voltage
High−Level Output Voltage
Low Level Output Current
Operating Temperature Range
Symbol
VCC
VIH
VIL
VOH
IOL
TA
Min Typ Max Unit
4.75 5.0 5.25 V
2− −V
− − 0.6 V
− − 5.5 mA
− − 24 mA
0 − +70 C
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Pages | Pages 3 | ||
Télécharger | [ NTE74LS641 ] |
No | Description détaillée | Fabricant |
NTE74LS641 | TTL- Non-Inverting Octal Bus Transceiver | NTE |
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