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74VCX16374T Datasheet

  • 74VCX16374T

  • 16-Bit D-Type Flip-Flop

  • 91.17KB

  • 11頁

  • ETC

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74VCX16374
LOW VOLTAGE 16-BIT D-TYPE FLIP FLOP (3-STATE)
WITH 3.6V TOLERANT INPUTS AND OUTPUTS
s
s
s
s
s
s
s
s
3.6V TOLERANT INPUTS AND OUTPUTS
HIGH SPEED:
t
PD
= 3.0 ns (MAX.) at V
CC
= 3.0 to 3.6V
t
PD
= 3.9 ns (MAX.) at V
CC
= 2.3 to 2.7V
t
PD
= 7.8 ns (MAX.) at V
CC
= 1.8V
POWER-DOWN PROTECTION ON INPUTS
AND OUTPUTS
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
= 24 mA (MIN) at V
CC
= 3.0V
|I
OH
| = I
OL
= 18 mA (MIN) at V
CC
= 2.3V
|I
OH
| = I
OL
= 6 mA (MIN) at V
CC
= 1.8V
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 1.8V to 3.6V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16374
LATCH-UP PERFORMANCE EXCEEDS 300mA
ESD PERFORMANCE:
HBM >2000V; MM > 200V
T
(TSSOP48 Package)
ORDER CODES :
74VCX16374T
PIN CONNECTION
DESCRIPTION
The VCX16374 is a low voltage CMOS 16-BIT
D-TYPE FLIP FLOP with 3 STATE OUTPUT
NON INVERTING fabricated with sub-micron
silicon gate and five-layer metal wiring C
2
MOS
technology. It is ideal for low power and very high
speed 1.8 to 3.6V applications; it can be
interfaced to 3.6V signal enviroment for both
inputs and outputs.
These 16 bit D-Type flip-flops are controlled by
two clock inputs (nCK) and two output enable
inputs (nOE).
On the positive transition of the (nCK), the nQ
outputs will be set to the logic state that were
setup at the nD inputs.
While the (nOE) input is low, the 8 outputs (nQ)
will be in a normal state (high or low logic level)
and while high level the outputs will be in a high
impedance state.
Any output control does not affect the internal
operation of flip flops; that is, the old data can be
retained or the new data can be entered even
while the outputs are off.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
December 1999
1/11

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