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74VCXH16374DTR Datasheet(HTML) 1 Page - ON Semiconductor

Part No. 74VCXH16374DTR
Description  Low−Voltage 1.8/2.5/3.3V 16-Bit D−Type Flip−Flop With 3.6 V-Tolerant Inputs and Outputs (3-State, Non-Inverting)
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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74VCXH16374DTR Datasheet(HTML) 1 Page - ON Semiconductor

 
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© Semiconductor Components Industries, LLC, 2006
June, 2006 − Rev. 5
1
Publication Order Number:
74VCXH16374/D
74VCXH16374
Low−Voltage 1.8/2.5/3.3V
16−Bit D−Type Flip−Flop
With 3.6 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The 74VCXH16374 is an advanced performance, non−inverting
16−bit D−type flip−flop. It is designed for very high−speed, very
low−power operation in 1.8 V, 2.5 V or 3.3 V systems. The VCXH16374
is byte controlled, with each byte functioning identically, but
independently. Each byte has separate Output Enable and Clock Pulse
inputs. These control pins can be tied together for full 16−bit operation.
When operating at 2.5 V (or 1.8 V) the part is designed to tolerate
voltages it may encounter on either inputs or outputs when interfacing
to 3.3 V busses. It is guaranteed to be overvoltage tolerant to 3.6V.
The 74VCXH16374 consists of 16 edge−triggered flip−flops with
individual D−type inputs and 3.6 V−tolerant 3−state outputs. The
clocks (CPn) and Output Enables (OEn) are common to all flip−flops
within the respective byte. The flip−flops will store the state of
individual D inputs that meet the setup and hold time requirements on
the LOW−to−HIGH Clock (CP) transition. With the OE LOW, the
contents of the flip−flops are available at the outputs. When the OE is
HIGH, the outputs go to the high impedance state. The OE input level
does not affect the operation of the flip−flops. 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.
Features
Designed for Low Voltage Operation: VCC = 1.65 V − 3.6 V
3.6 V Tolerant Inputs and Outputs
High Speed Operation: 3.0 ns max for 3.0 V to 3.6V
3.9 ns max for 2.3 V to 2.7V
7.8 ns max for 1.65 V to 1.95V
Static Drive: ±24 mA Drive at 3.0 V
±18 mA Drive at 2.3 V
±6 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 (20 mA)
Substantially Reduces System Power Requirements
Latchup Performance Exceeds ±250 mA @ 125°C
ESD Performance: Human Body Model >2000 V
Machine Model >200 V
All Devices in Package TSSOP are Inherently Pb−Free**
*To ensure the outputs activate in the 3−state 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.
**For additional information on our Pb−Free strategy and soldering details,
please download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
MARKING DIAGRAM
A
= Assembly Location
WL
= Wafer Lot
YY
= Year
WW
= Work Week
TSSOP−48
DT SUFFIX
CASE 1201
1
48
VCXH16374
AWLYYWW
1
48
PIN NAMES
Function
Output Enable Inputs
Clock Pulse Inputs
Inputs
Outputs
Pins
OEn
CPn
D0−D15
O0−O15
http://onsemi.com
Device
Package
Shipping
ORDERING INFORMATION
74VCXH16374DT
TSSOP
(Pb−Free)
39 / Rail
74VCXH16374DTR
TSSOP
(Pb−Free)
2500 / Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.


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