Philips Semiconductors
3.3V 16-bit buffer/driver with 30Ω
termination resistors (3-State)
Product specification
74LVT162244B
FEATURES
• 16-bit bus interface
• 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
• Live insertion/extraction permitted
• Outputs include series resistance of 30Ω making external
terminating resistors unnecessary
• 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
• Same part as 74LVT16244B-1
DESCRIPTION
The 74LVT162244B is a high-performance BiCMOS product
designed for VCC operation at 3.3V.
The 74LVT162244B is designed with 30Ω series resistance in both
the High and Low states of the output. This design reduces line
noise in applications such as memory address drivers, clock drivers,
and bus receivers/transmitters.
This device is a 16-bit buffer and line driver featuring non-inverting
3-State bus outputs. The device can be used as four 4-bit buffers,
two 8-bit buffers, or one 16-bit buffer.
The 74LVT162244B is the same as the 74LVT16244B-1. The part
number has been changed to reflect industry standards.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH
tPHL
CIN
COUT
ICCZ
Propagation delay
nAx to nYx
Input capacitance nOE
Output capacitance
Total supply current
CONDITIONS
Tamb = 25°C
CL = 50pF;
VCC = 3.3V
VI = 0V or 3.0V
Outputs disabled; VO = 0V or 3.0V
Outputs disabled; VCC = 3.6V
TYPICAL
2.8
3
9
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
74LVT162244B DL
74LVT162244B DGG
NORTH AMERICA
VT162244B DL
VT162244B DGG
DWG NUMBER
SOT370-1
SOT362-1
LOGIC SYMBOL
47 1A0
1A1
46
1A2
44
1A3
43
1 1OE
41 2A0
2A1
40
38 2A2
37 2A3
48 2OE
1Y0 2 36 3A0
1Y1
3
3A1
35
1Y2
5
3A2
33
1Y3
3A3
6 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
SA00014
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
47, 46, 44, 43
41, 40, 38, 37
36, 35, 33, 32
30, 29, 27, 26
1A0 - 1A3,
2A0 - 2A3,
3A0 - 3A3,
4A0 - 4A3
Data inputs
2, 3, 5, 6
8, 9, 11, 12
13, 14, 16, 17
19, 20, 22, 23
1Y0 - 1Y3,
2Y0 - 2Y3,
3Y0 - 3Y3,
4Y0 - 4Y3
Data outputs
1, 48
25, 24
1OE, 2OE, 3OE,
4OE
Output enables
4, 10, 15, 21
28, 34, 39, 45
GND
Ground (0V)
7, 18, 31, 42
VCC
Positive supply voltage
1998 Oct 07
2
853-1779 20144