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74LVC2245APWDH bảng dữ liệu(PDF) 10 Page - NXP Semiconductors

tên linh kiện 74LVC2245APWDH
Giải thích chi tiết về linh kiện  Octal transceiver with direction pin; 30 ohm series termination resistors; 5 V input/output tolerant; 3-state
PDF  17 Pages
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nhà sản xuất  PHILIPS [NXP Semiconductors]
Trang chủ  http://www.nxp.com
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74LVC2245APWDH bảng dữ liệu(HTML) 10 Page - NXP Semiconductors

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2003 Nov 17
10
Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30
Ω series
termination resistors; 5 V tolerant input/output; 3-state
74LVC2245A
AC WAVEFORMS
handbook, halfpage
MNA176
An, Bn input
Bn, An output
tPLH
tPHL
GND
VI
VM
VM
VM
VM
VOH
VOL
Fig.5 The inputs An, Bn to outputs Bn, An propagation delays.
VOL and VOH are typical output voltage drop that occur with the output load.
VCC
VM
INPUT
VI
tr =tf
1.2 V
0.5
× VCC VCC
≤ 2.5 ns
2.7 V
1.5 V
2.7 V
≤ 2.5 ns
3.0 to 3.6 V
1.5 V
2.7 V
≤ 2.5 ns
handbook, full pagewidth
MNA395
tPLZ
tPHZ
outputs
disabled
outputs
enabled
VY
VX
outputs
enabled
Qn output
LOW-to-OFF
OFF-to-LOW
Qn output
HIGH-to-OFF
OFF-to-HIGH
OE input
VI
VOL
VOH
VCC
VM
GND
GND
tPZL
tPZH
VM
VM
Fig.6 3-state enable and disable times.
VX =VOL +0.3VatVCC ≥ 2.7 V;
VX =VOL +0.1VatVCC < 2.7 V;
VY =VOH − 0.3VatVCC ≥ 2.7 V;
VY =VOH − 0.1VatVCC < 2.7 V.
VOL and VOH are typical output voltage drop that occur with the output load.
VCC
VM
INPUT
VI
tr =tf
1.2 V
0.5
× VCC VCC
≤ 2.5 ns
2.7 V
1.5 V
2.7 V
≤ 2.5 ns
3.0 to 3.6 V 1.5 V
2.7 V
≤ 2.5 ns



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