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SN74AXC8T245_1808 Datasheet(Fiches technique) 18 Page - Texas Instruments

Numéro de pièce SN74AXC8T245_1808
Description  8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and Tri-State Outputs
Télécharger  38 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
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 18 page
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An, Bn Input
VCCI
(1)
VCCI / 2
Bn, An Output
tpd
GND
VCCI / 2
VOH
(2)
VOL
(2)
VCCO / 2
tpd
VCCO / 2
Parameter
S1
1.1 V - 3.6 V
2 k
15 pF
Open
N/A
0.65 V - 0.95 V 20 k
15 pF
Open
N/A
3 V - 3.6 V
2 k
15 pF
0.3 V
1.65 V - 2.7 V
2 k
15 pF
0.15 V
1.1 V - 1.6 V
2 k
15 pF
0.1 V
0.65 V - 0.95 V 20 k
15 pF
0.1 V
3 V - 3.6 V
2 k
15 pF
GND
0.3 V
1.65V - 2.7 V
2 k
15 pF
GND
0.15 V
1.1 V - 1.6 V
2 k
15 pF
GND
0.1 V
0.65 V - 0.95 V 20 k
15 pF
GND
0.1 V
2 X VCCO
2 X VCCO
2 X VCCO
2 X VCCO
VCCO
RL
CL
VTP
tpd
ten
(1), t
dis
(1)
ten
(2), t
dis
(2)
Output Pin
Under Test
CL
(1)
RL
RL
S1
GND
Open
2 X VCCO
Measurement Point
18
SN74AXC8T245
SCES875B – MARCH 2018 – REVISED AUGUST 2018
www.ti.com
Product Folder Links: SN74AXC8T245
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
7 Parameter Measurement Information
Unless otherwise noted, all input pulses are supplied by generators having the following characteristics:
f =1 MHz
Z0 = 50 Ω
dv / dt
≤ 1 ns/V
(1)
CL includes probe and jig capacitance.
Figure 1. Load Circuit
(1)
Output waveform on the conditions that input is driven to a valid Logic Low.
(2)
Output waveform on the condition that input is driven to a valid Logic High.
Figure 2. Load Circuit Conditions
(1)
VCCI is the supply pin associated with the input port.
(2)
VOH and VOL are typical output voltage levels with specified RL, CL, and S1.
Figure 3. Propagation Delay




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