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74LCX74 — Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs
December 2013
74LCX74
Low Voltage Dual D-Type Positive Edge-Triggered
Flip-Flop with 5V Tolerant Inputs
Features
■
5V tolerant inputs
■
2.3V–3.6V V
CC
specifications provided
■
7.0ns t
PD
max. (V
CC
=
3.3V), 10µA I
CC
max.
■
Power down high impedance inputs and outputs
■
±24mA output drive (V
CC
=
3.0V)
■
Implements
proprietary
noise/EMI reduction circuitry
■
Latch-up performance exceeds JEDEC 78 conditions
■
ESD performance:
General Description
The LCX74 is a dual D-type flip-flop with Asynchronous
Clear and Set inputs and complementary (Q, Q) outputs.
Information at the input is transferred to the outputs on
the positive edge of the clock pulse. After the Clock
Pulse input threshold voltage has been passed, the Data
input is locked out and information present will not be
transferred to the outputs until the next rising edge of the
Clock Pulse input.
Asynchronous Inputs:
■
LOW input to S
D
(Set) sets Q to HIGH level
■
LOW input to C
D
(Clear) sets Q to LOW level
■
Clear and Set are independent of clock
■
Simultaneous LOW on C
D
and S
D
makes both Q
– Human body model
>
2000V
– Machine model
>
200V
■
Leadless Pb-Free DQFN package
and Q HIGH
Ordering Information
Order Number
74LCX74M
74LCX74SJ
74LCX74BQX
(1)
74LCX74MTC
Package
Number
M14A
M14D
MLP14A
MTC14
Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150"
Narrow
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
14-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN),
JEDEC MO-241, 2.5 x 3.0mm
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,
4.4mm Wide
Note:
1. DQFN package available in Tape and Reel only.
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number.
All packages are lead free per JEDEC: J-STD-020B standard.
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[详细]
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