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What is 100344QC?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "Low Power 8-Bit Latch with Cut-Off Drivers".


100344QC Datasheet PDF - Fairchild Semiconductor

Part Number 100344QC
Description Low Power 8-Bit Latch with Cut-Off Drivers
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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July 1988
Revised August 2000
100344
Low Power 8-Bit Latch with Cut-Off Drivers
General Description
The 100344 contains eight D-type latches, individual inputs
(Dn), outputs (Qn), a common enable pin (E), latch enable
(LE), and output enable pin (OEN). A Q output follows its D
input when both E and LE are LOW. When either E or LE
(or both) are HIGH, a latch stores the last valid data
present on its D input prior to E or LE going HIGH.
A HIGH on OEN holds the outputs in a cut-off state. The
cut-off state is designed to be more negative than a normal
ECL LOW level. This allows the output emitter-followers to
turn off when the termination supply is 2.0V, presenting a
high impedance to the data bus. This high impedance
reduces termination power and prevents loss of low state
noise margin when several loads share the bus.
The 100344 outputs are designed to drive a doubly termi-
nated 50transmission line (25load impedance). All
inputs have 50 kpull-down resistors.
Features
s Cut-off drivers
s Drives 25load
s Low power operation
s 2000V ESD protection
s Voltage compensated operating range = −4.2V to 5.7V
Ordering Code:
Order Number Package Number
Package Description
100344PC
N24E
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide
100344QC
V28A
28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square
100344QI
V28A
28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square
Industrial Temperature Range (40°C to +85°C)
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
24-Pin DIP
28-Pin PLCC
Logic Symbol
© 2000 Fairchild Semiconductor Corporation DS009883
www.fairchildsemi.com

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100344QC equivalent
Test Circuitry
Note:
VCC, VCCA = +2V, VEE = −2.5V
L1 and L2 = equal length 50impedance lines
RT = 50terminator internal to scope
Decoupling 0.1 µF from GND to VCC and VEE
All unused outputs are loaded with 25to GND
CL = Fixture and stray capacitance 3 pF
Switching Waveforms
FIGURE 1. AC Test Circuit
FIGURE 2. Propagation Delay and Cutoff Times
FIGURE 3. Setup, Hold and Pulse Width Times
FIGURE 4. Propagation Delay LE, E to Q
5 www.fairchildsemi.com


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 100344QC electronic component.


Information Total 7 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
100344QCThe function is Low Power 8-Bit Latch with Cut-Off Drivers. Fairchild SemiconductorFairchild Semiconductor
100344QIThe function is Low Power 8-Bit Latch with Cut-Off Drivers. Fairchild SemiconductorFairchild Semiconductor

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