74LVC16244 データシートの表示（PDF） - Philips Electronics
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74LVC16244 Datasheet PDF : 18 Pages
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Philips Semiconductors
16-bit buffer/line driver; 5 V input/output
tolerant; 3-state
Product specification
74LVC16244A;
74LVCH16244A
AC CHARACTERISTICS
GND = 0 V; tr = tf ≤ 2.5 ns; CL = 50 pF; RL = 500 Ω.
SYMBOL
PARAMETER
CONDITIONS
WAVEFORMS VCC (V)
MIN.
TYP. MAX. UNIT
Tamb = −40 to +85 °C; note1
tPHL/tPLH propagation delay nAn to nYn
see Figs 6 and 8 1.2
2.7
−
11.0 −
ns
1.0 −
4.7 ns
3.0 to 3.6 1.1 3.0(2) 4.1 ns
tPZH/tPZL 3-state output enable time nOE to nYn see Figs 7 and 8 1.2
2.7
−
15.0 −
ns
1.0 −
5.8 ns
3.0 to 3.6 1.0 3.5(2) 4.6 ns
tPHZ/tPLZ 3-state output disable time nOE to nYn see Figs 7 and 8 1.2
2.7
−
10.0 −
ns
1.0 −
6.2 ns
3.0 to 3.6 1.8 3.7(2) 5.2 ns
Tamb = −40 to +125 °C
tPHL/tPLH propagation delay nAn to nYn
see Figs 6 and 8 1.2
2.7
−
−
1.0 −
3.0 to 3.6 1.1 −
tPZH/tPZL 3-state output enable time nOE to nYn see Figs 7 and 8 1.2
2.7
−
−
1.0 −
3.0 to 3.6 1.0 −
tPHZ/tPLZ 3-state output disable time nOE to nYn see Figs 7 and 8 1.2
2.7
−
−
1.0 −
3.0 to 3.6 1.8 −
−
ns
6.0 ns
5.5 ns
−
ns
7.5 ns
6.0 ns
−
ns
8.0 ns
6.5 ns
Notes
1. All typical values are measured at Tamb = 25 °C.
2. These typical values are measured at VCC = 3.3 V and Tamb = 25 °C.
2003 Dec 08
10
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