74LVC16244ABQ データシートの表示（PDF） - NXP Semiconductors.
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74LVC16244ABQ Datasheet PDF : 19 Pages
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NXP Semiconductors
74LVC16244A; 74LVCH16244A
16-bit buffer/line driver; 5 V input/output tolerant; 3-state
Table 6. Static characteristics …continued
At recommended operating conditions. Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
−40 °C to +85 °C
Min Typ[1] Max
IBHHO
bus hold HIGH VCC = 3.6 V
overdrive current
[4][6] −500
-
-
−40 °C to +125 °C Unit
Min
Max
−500
- μA
[1] All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb = 25 °C.
[2] The bus hold circuit is switched off when VI > VCC allowing 5.5 V on the input terminal.
[3] For I/O ports the parameter IOZ includes the input leakage current.
[4] Valid for data inputs of bus hold parts only (74LVCH16244A). Note that control inputs do not have a bus hold circuit.
[5] The specified sustaining current at the data input holds the input below the specified VI level.
[6] The specified overdrive current at the data input forces the data input to the opposite input state.
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 9.
Symbol Parameter Conditions
−40 °C to +85 °C
Min Typ Max
tpd
propagation nAn to nYn; see Figure 7
delay
VCC = 1.2 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
ten
enable time nOE to nYn; see Figure 8
VCC = 1.2 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
tdis
disable time nOE to nYn; see Figure 8
VCC = 1.2 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
[1]
-
11.0
-
1.0
-
4.7
[2] 1.1
3.0
4.1
[1]
-
15.0
-
1.0
-
5.8
[2] 1.0
3.5
4.6
[1]
-
10.0
-
1.0
-
6.2
[2] 1.8
3.7
5.2
−40 °C to +125 °C Unit
Min
Max
-
- ns
1.0
6.0 ns
1.1
5.5 ns
-
- ns
1.0
7.5 ns
1.0
6.0 ns
-
- ns
1.0
8.0 ns
1.8
6.5 ns
74LVC_LVCH16244A_9
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 09 — 18 March 2010
© NXP B.V. 2010. All rights reserved.
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