74ALVT162241 데이터 시트보기 (PDF) - Philips Electronics
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74ALVT162241
Philips Electronics
74ALVT162241 Datasheet PDF : 10 Pages
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Philips Semiconductors
2.5V/3.3V 16-bit buffer/driver with
30W termination resistors (3-State)
Product specification
74ALVT162241
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 30W 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 VCC 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 30W 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
SYMBOL
PARAMETER
tPLH
tPHL
CIN
COut
ICCZ
Propagation delay
nAx to nYx
Input capacitance nOE
Output pin capacitance
Total supply current
CONDITIONS
Tamb = 25°C
CL = 50pF
VI = 0V or VCC
VI/O = 0V or VCC
Outputs disabled
TYPICAL
2.5V
3.3V
3.1
2.2
2.3
2.0
3
3
9
9
40
70
UNIT
ns
pF
pF
µA
ORDERING INFORMATION
PACKAGES
48-Pin Plastic SSOP Type III
48-Pin Plastic TSSOP Type II
TEMPERATURE RANGE
–40°C to +85°C
–40°C to +85°C
OUTSIDE NORTH AMERICA
74ALVT162241 DL
74ALVT162241 DGG
NORTH AMERICA
AV162241 DL
AV162241 DGG
DWG NUMBER
SOT370-1
SOT362-1
LOGIC SYMBOL
SCHEMATIC OF EACH OUTPUT
47 1A0
46 1A1
1A2
44
1A3
43
1 1OE
41 2A0
2A1
40
38 2A2
37 2A3
48 2OE
1998 Feb 13
1Y0 2 36 3A0
1Y1 3 35 3A1
1Y2
5
3A2
33
1Y3
6
3A3
32
25 3OE
2Y0 8 30 4A0
2Y1
4A1
9 29
2Y2 11 27 4A2
2Y3 12 26 4A3
4OE
24
3Y0 13
3Y1 14
3Y2 16
3Y3
17
4Y0 19
4Y1 20
4Y2 22
4Y3
23
SA00405
2
VCC
VCC
27Ω
OUTPUT
27Ω
SW00007
853-2042 18960
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