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74ALVT16240 Datasheet

  • 74ALVT16240

  • 16-bit inverting buffer/driver; 3-state

  • 16頁

  • PHILIPS

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74ALVT16240
16-bit inverting buffer/driver; 3-state
Rev. 03 鈥?4 July 2005
Product data sheet
1. General description
The 74ALVT16240 is a high-performance BiCMOS device designed for V
CC
operation at
2.5 V or 3.3 V with I/O compatibility up to 5 V.
The 74ALVT16240 is an inverting 16-bit buffer that is ideal for driving bus lines. The device
features four output enable inputs (1OE, 2OE, 3OE, 4OE), each controlling four of the
3-state outputs.
2. Features
s
s
s
s
s
s
s
5 V I/O compatible
Live insertion and extraction permitted
3-state buffers
Power-up 3-state
Output capability: +64 mA and
鈭?2
mA
Latch-up protection:
x
JESD 78 exceeds 500 mA
Electrostatic discharge protection:
x
MIL STD 883 method 3015: exceeds 2000 V
x
Machine model: exceeds 200 V
Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
16-bit bus interface
TTL input and output switching levels
Input and output interface capability to systems at 5 V supply
No bus current loading when output is tied to 5 V bus
s
s
s
s
s
3. Quick reference data
Table 1:
Quick reference data
T
amb
= 25
擄
C.
Symbol Parameter
t
PLH
t
PHL
C
i
Conditions
Min
1.0
0.5
1.0
0.5
-
Typ
2.5
1.7
1.9
1.7
3
Max
3.7
3.0
2.9
2.6
-
Unit
ns
ns
ns
ns
pF
propagation delay nAx C
L
= 50 pF; V
CC
= 2.5 V
to nYx
C
L
= 50 pF; V
CC
= 3.3 V
propagation delay nAx C
L
= 50 pF; V
CC
= 2.5 V
to nYx
C
L
= 50 pF; V
CC
= 3.3 V
input capacitance on
nOE
V
I
= 0 V or V
CC

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