74LVC169(2009) 查看數據表（PDF） - NXP Semiconductors.
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74LVC169 Datasheet PDF : 22 Pages
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NXP Semiconductors
74LVC169
Presettable synchronous 4-bit up/down binary counter
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 13.
Symbol Parameter
Conditions
−40 °C to +85 °C
Min Typ[1] Max
tpd
propagation delay CP to Qn; see Figure 8
VCC = 1.2 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
CP to TC; see Figure 8
[2]
-
17
-
1.5
-
7.2
1.5 4.0 6.6
[2]
VCC = 1.2 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
CET to TC; see Figure 9
-
21
-
1.5
-
8.8
1.5 4.8 7.5
[2]
VCC = 1.2 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
U/D to TC; see Figure 10
-
19
-
1.5
-
7.2
1.5 4.1 6.2
[2]
tW
pulse width
tsu
set-up time
VCC = 1.2 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
CP HIGH or LOW; see Figure 8
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
Dn to CP; see Figure 11
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
PE to CP; see Figure 11
-
21
-
1.5
-
8.2
1.5 3.7 6.9
5.0
-
-
4.0 1.2
-
3.0
-
-
2.5 1.0
-
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
U/D to CP; see Figure 12
3.5
-
-
3.0 1.2
-
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
CEP, CET to CP; see Figure 12
6.5
-
-
5.5 2.8
-
th
hold time
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
Dn, PE, CEP, CET, U/D to CP;
see Figure 11 and 12
5.5
-
-
4.5 2.1
-
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
0.0
-
-
0.5 0.0
-
−40 °C to +125 °C Unit
Min
Max
-
- ns
1.5
9.0 ns
1.5
8.5 ns
-
- ns
1.5
11.0 ns
1.5
9.5 ns
-
- ns
1.5
9.0 ns
1.5
8.0 ns
-
- ns
1.5
10.5 ns
1.5
9.0 ns
5.0
- ns
4.0
- ns
3.0
- ns
2.5
- ns
3.5
- ns
3.0
- ns
6.5
- ns
5.5
- ns
5.5
- ns
4.5
- ns
0.0
- ns
0.5
- ns
74LVC169_5
Product data sheet
Rev. 05 — 8 June 2009
© NXP B.V. 2009. All rights reserved.
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