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PDF 74ALVT16240 Data sheet ( Hoja de datos )
| Número de pieza | 74ALVT16240 | |
| Descripción | 16-bit inverting buffer/driver | |
| Fabricantes | NXP Semiconductors | |
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74ALVT16240
16-bit inverting buffer/driver; 3-state
Rev. 03 — 4 July 2005
Product data sheet
1. General description
The 74ALVT16240 is a high-performance BiCMOS device designed for VCC operation at
2.5 V or 3.3 V with I/O compatibility up to 5 V.
w w w . D a t a S h e e t 4 U . c o mThe 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 5 V I/O compatible
s Live insertion and extraction permitted
s 3-state buffers
s Power-up 3-state
s Output capability: +64 mA and −32 mA
s Latch-up protection:
x JESD 78 exceeds 500 mA
s Electrostatic discharge protection:
x MIL STD 883 method 3015: exceeds 2000 V
x Machine model: exceeds 200 V
s Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
s 16-bit bus interface
s TTL input and output switching levels
s Input and output interface capability to systems at 5 V supply
s No bus current loading when output is tied to 5 V bus
3. Quick reference data
Table 1: Quick reference data
Tamb = 25 °C.
Symbol Parameter
Conditions
tPLH propagation delay nAx CL = 50 pF; VCC = 2.5 V
to nYx
CL = 50 pF; VCC = 3.3 V
tPHL propagation delay nAx CL = 50 pF; VCC = 2.5 V
to nYx
CL = 50 pF; VCC = 3.3 V
Ci input capacitance on VI = 0 V or VCC
nOE
Min Typ Max Unit
1.0 2.5 3.7 ns
0.5 1.7 3.0 ns
1.0 1.9 2.9 ns
0.5 1.7 2.6 ns
- 3 - pF
1 page  
Philips Semiconductors
74ALVT16240
16-bit inverting buffer/driver; 3-state
7. Functional description
www.DataSheet4U.com
7.1 Function table
Table 4:
Input
nOE
L
L
H
Function table [1]
nAx
L
H
X
[1] H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high-impedance OFF-state.
8. Limiting values
Output
nYx
H
L
Z
Table 5: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to
ground.
Symbol
VCC
IIK
VI
IOK
VO
IO
Parameter
supply voltage
input diode current
input voltage
output diode current
output voltage
output current
Tstg storage temperature
Tj junction temperature
Conditions
VI < 0 V
VO < 0 V
output in OFF-state or HIGH-state
output in LOW-state
output in HIGH-state
Min Max Unit
−0.5 +4.6 V
- −50 mA
[1] −0.5 +7.0 V
- −50 mA
[1] −0.5 +7.0 V
- 128 mA
- −64 mA
−65 +150 °C
[2] -
+150 °C
[1] The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings
are observed.
[2] The performance capability of a high-performance integrated circuit in conjunction with its thermal
environment can create junction temperatures which are detrimental to reliability.
9397 750 15192
Product data sheet
Rev. 03 — 4 July 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
5 of 16
5 Page 
Philips Semiconductors
74ALVT16240
16-bit inverting buffer/driver; 3-state
www.DataSheet4U.com
VI
negative
pulse
0V
90 %
VI
positive
pulse
0V
10 %
tW
VM
10 %
tTHL(tf)
tTLH(tr)
90 %
VM
tW
a. Input pulse definition
90 %
VM
tTLH(tr)
tTHL(tf)
VM
10 %
001aac221
VCC
PULSE
GENERATOR
VI
DUT
VO
RT
VEXT
RL
CL RL
mna616
Test data is given in Table 10.
Definitions test circuit:
RL = Load resistor.
CL = Load capacitance includes jig and probe capacitance.
RT = Termination resistance should be equal to Zo of the pulse generator.
VEXT = Test voltage for switching times.
b. Test circuit
Fig 6. Load circuitry for switching times
Table 10: Test data
Input
VI
3.0 V or VCC
whichever is
less
Load
VEXT
fi
tW
tr, tf
CL RL tPHZ, tPZH tPLZ, tPZL
tPLH, tPHL
≤ 10 MHz 500 ns ≤ 2.5 ns 50 pF 500 Ω GND
6 V or 2 × VCC open
9397 750 15192
Product data sheet
Rev. 03 — 4 July 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
11 of 16
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet 74ALVT16240.PDF ] | |
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