Nexperia
74LVT640
3.3 V Octal transceiver with direction pin; inverting; 3-state
74LVT640 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 3 — 10 April 2017
6 / 15
-40 °C to +85 °CSymbol Parameter Conditions
Min Typ
[1]
Max
Unit
ΔI
CC
additional supply current per input pin; V
CC
= 3.0 V to 3.6 V;
one input = V
CC
- 0.6 V;
other inputs = V
CC
or GND
[5]
- 0.1 0.2 mA
C
I
input capacitance DIR and OE inputs; V
I
= 0 V or 3.0 V - 4 - pF
C
I/O
input/output capacitance at input/output data pins, outputs disabled;
V
I/O
= 0 V or 3.0 V
- 7 - pF
[1] All typical values are measured at V
CC
= 3.3 V (unless stated otherwise) and T
amb
= 25 °C.
[2] Unused pins at V
CC
or GND.
[3] This parameter is valid for any V
CC
between 0 V and 1.2 V with a transition time of up to 10 ms. From V
CC
= 1.2 V to V
CC
= 3.0 V to 3.6 V a transition time
of 100 ms is permitted. This parameter is valid for T
amb
= +25 °C only.
[4] This is the bus hold overdrive current required to force the input to the opposite logic state.
[5] This is the increase in supply current for each input at the specified voltage level other than V
CC
or GND.
10 Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 7.
-40 °C to +85 °CSymbol Parameter Conditions
Min Typ
[1]
Max
Unit
An to Bn or Bn to An; see Figure 5
V
CC
= 2.7 V - - 4.5 ns
t
PLH
LOW to HIGH
propagation delay
V
CC
= 3.3 V ± 0.3 V 1.0 2.3 3.7 ns
An to Bn or Bn to An, see Figure 5
V
CC
= 2.7 V - - 3.1 ns
t
PHL
HIGH to LOW
propagation delay
V
CC
= 3.3 V ± 0.3 V 1.0 2.4 3.3 ns
OE to An or Bn; see Figure 6
V
CC
= 2.7 V - - 6.9 ns
t
PZH
OFF-state to HIGH
propagation delay
V
CC
= 3.3 V ± 0.3 V 1.1 3.5 5.3 ns
OE to An or Bn; see Figure 6
V
CC
= 2.7 V - - 6.2 ns
t
PZL
OFF-state to LOW
propagation delay
V
CC
= 3.3 V ± 0.3 V 1.5 3.6 5.3 ns
OE to An or Bn; see Figure 6
V
CC
= 2.7 V - - 5.6 ns
t
PHZ
HIGH to OFF-state
propagation delay
V
CC
= 3.3 V ± 0.3 V 2.2 3.7 5.0 ns
OE to An or Bn; see Figure 6
V
CC
= 2.7 V - - 4.5 ns
t
PLZ
LOW to OFF-state
propagation delay
V
CC
= 3.3 V ± 0.3 V 2.0 3.1 4.5 ns
[1] Typical values are measured at T
amb
= 25 °C and V
CC
= 3.3 V