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74ALVCH16244 Datasheet PDF

74ALVCH16244
ON Semiconductor

Part Number 74ALVCH16244
Description Low-Voltage 16-Bit Buffer
Page 10 Pages
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74ALVCH16244
Low−Voltage 16−Bit Buffer
with Bus Hold 1.8/2.5/3.3 V
(3State, NonInverting)
The 74ALVCH16244 is an advanced performance, noninverting
16bit buffer. It is designed for very highspeed, very lowpower
operation in 1.8 V, 2.5 V or 3.3 V systems.
The 74ALVCH16244 is nibble controlled with each nibble
functioning identically, but independently. The control pins may be
tied together to obtain full 16bit operation. The 3state outputs are
controlled by an Output Enable (OEn) input for each nibble. When
OEn is LOW, the outputs are on. When OEn is HIGH, the outputs are
in the high impedance state. The data inputs include active bushold
circuitry, eliminating the need for external pullup resistors to hold
unused or floating inputs at a valid logic state.
Designed for Low Voltage Operation: VCC = 1.65 3.6 V
3.6 V Tolerant Inputs and Outputs
High Speed Operation: 3.0 ns max for 3.0 to 3.6 V
3.7 ns max for 2.3 to 2.7 V
6.0 ns max for 1.65 to 1.95 V
Static Drive: ±24 mA Drive at 3.0 V
±12 mA Drive at 2.3 V
±4 mA Drive at 1.65 V
Supports Live Insertion and Withdrawal
Includes Active Bushold to Hold Unused or Floating Inputs at a Valid
Logic State
IOFF Specification Guarantees High Impedance When VCC = 0 V
Near Zero Static Supply Current in All Three Logic States (40 mA)
Substantially Reduces System Power Requirements
Latchup Performance Exceeds ±250 mA @ 125°C
ESD Performance: Human Body Model >2000V; Machine Model >200V
Second Source to Industry Standard 74ALVCH16244
http://onsemi.com
MARKING DIAGRAM
48
48
1
TSSOP48
DT SUFFIX
CASE 1201
74ALVCH16244DT
AWLYYWW
1
A = Assembly
Location
WL = Wafer Lot
YY = Year
WW = Work Week
ORDERING INFORMATION
Device
Package
Shipping
74ALVCH16244DTR TSSOP 2500/Tape & Reel
†To ensure the outputs activate in the 3state condition, the output enable pins
should be connected to VCC through a pullup resistor. The value of the resistor is
determined by the current sinking capability of the output connected to the OE pin.
© Semiconductor Components Industries, LLC, 2006
June, 2006 Rev. 2
1
Publication Order Number:
74ALVCH16244/D

















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