Philips Semiconductors Product specification
74ALVT162241
2.5V/3.3V 16-bit buffer/driver with
30 termination resistors (3-State)
2
1998 Feb 13 853-2042 18960
FEATURES
• 16-bit bus interface
• 5V I/O Compatible
• 3-State buffers
• Output capability: +12mA/-12mA
• TTL input and output switching levels
• Input and output interface capability to systems at 5V supply
• Bus-hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
• Outputs include series resistance of 30 making external
termination resistors unnecessary
• Live insertion/extraction permitted
• Power-up 3-State
• No bus current loading when output is tied to 5V bus
• Latch-up protection exceeds 500mA per JEDEC Std 17
• ESD protection exceeds 2000V per MIL STD 883 Method 3015
and 200V per Machine Model
DESCRIPTION
The 74ALVT162241 is a high-performance BiCMOS product designed
for V
CC
operation at 2.5V or 3.3V with I/O compatibility up to 5V.
This device is a 16-bit buffer that is ideal for driving bus lines. The
device features four Output Enables (1OE
, 2OE, 3OE, 4OE), each
controlling four of the 3-State outputs.
The 74ALVT162241 is designed with 30 series resistance in both
High and Low output stages. This design reduces the line noise in
applications such as memory address drivers, clock drivers and bus
receivers/transmitters. The series termination resistors reduce
overshoot and undershoot and are ideal for driving memory arrays.
QUICK REFERENCE DATA
CONDITIONS
TYPICAL
T
amb
= 25°C
2.5V 3.3V
t
PLH
t
PHL
Propagation delay
nAx to nYx
C
L
= 50pF
3.1
2.3
2.2
2.0
ns
C
IN
Input capacitance nOE V
I
= 0V or V
CC
3 3 pF
C
Out
Output pin capacitance V
I/O
= 0V or V
CC
9 9 pF
I
CCZ
Total supply current Outputs disabled 40 70 µA
ORDERING INFORMATION
PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER
48-Pin Plastic SSOP Type III –40°C to +85°C 74ALVT162241 DL AV162241 DL SOT370-1
48-Pin Plastic TSSOP Type II –40°C to +85°C 74ALVT162241 DGG AV162241 DGG SOT362-1
LOGIC SYMBOL
1OE
1
1A0
47
1A1
46
1A2
44
1A3
43
2OE
48
2A0
41
2A1
2
40
2A2
38
3
2A3
37
5
6
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
8
9
11
12
3OE
25
3A0
36
3A1
35
3A2
33
3A3
32
4OE
24
4A0
30
4A1
13
29
4A2
27
14
4A3
26
16
17
3Y0
3Y1
3Y2
3Y3
4Y0
4Y1
4Y2
4Y3
19
20
22
23
SA00405
SCHEMATIC OF EACH OUTPUT
V
CC
V
CC
OUTPUT
27Ω
27Ω
SW00007
