74AVC4T245 Просмотр технического описания (PDF) - NXP Semiconductors.
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74AVC4T245
NXP Semiconductors.
74AVC4T245 Datasheet PDF : 25 Pages
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NXP Semiconductors
74AVC4T245
4-bit dual supply translating transceiver; 3-state
Table 10. Typical dynamic characteristics at VCC(A) = 0.8 V and Tamb = 25 °C [1]
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 8; for wave forms see Figure 6 and Figure 7
Symbol Parameter
Conditions
VCC(B)
Unit
0.8 V 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V
tpd
propagation delay nAn to nBn
14.5
7.3
6.5
6.2
5.9
6.0 ns
nBn to nAn
14.5
12.7
12.4
12.3
12.1
12.0 ns
tdis
disable time
nOE to nAn
14.3
14.3
14.3
14.3
14.3
14.3 ns
nOE to nBn
17.0
9.9
9.0
9.4
9.0
9.7 ns
ten
enable time
nOE to nAn
nOE to nBn
18.2
18.2
18.2
18.2
18.2
18.2 ns
19.2
10.7
9.8
9.6
9.7
10.2 ns
[1] tpd is the same as tPLH and tPHL; tdis is the same as tPLZ and tPHZ; ten is the same as tPZL and tPZH.
Table 11. Typical dynamic characteristics at VCC(B) = 0.8 V and Tamb = 25 °C [1]
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 8; for wave forms see Figure 6 and Figure 7
Symbol Parameter
Conditions
0.8 V
1.2 V
VCC(A)
1.5 V 1.8 V
2.5 V
Unit
3.3 V
tpd
propagation delay nAn to nBn
nBn to nAn
14.5
12.7
12.4
12.3
12.1
12.0 ns
14.5
7.3
6.5
6.2
5.9
6.0 ns
tdis
disable time
nOE to nAn
nOE to nBn
14.3
5.5
4.1
4.0
3.0
3.5 ns
17.0
13.8
13.4
13.1
12.9
12.7 ns
ten
enable time
nOE to nAn
nOE to nBn
18.2
5.6
4.0
3.2
2.4
2.2 ns
19.2
14.6
14.1
13.9
13.7
13.6 ns
[1] tpd is the same as tPLH and tPHL; tdis is the same as tPLZ and tPHZ; ten is the same as tPZL and tPZH.
74AVC4T245_1
Product data sheet
Rev. 01 — 20 July 2009
© NXP B.V. 2009. All rights reserved.
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