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74LCX162374GX Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer 74LCX162374GX
Beschreibung Low Voltage 16-Bit D-Type Flip-Flop with 5V Tolerant Inputs and Outputs and 26 Series Resistors
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 10 Seiten
74LCX162374GX Datasheet, Funktion
February 2001
Revised August 2001
74LCX162374
Low Voltage 16-Bit D-Type Flip-Flop
with 5V Tolerant Inputs and Outputs
and 26Series Resistors
General Description
The LCX162374 contains sixteen non-inverting D-type
flip-flops with 3-STATE outputs and is intended for bus ori-
ented applications. The device is byte controlled. A buff-
ered clock (CP) and Output Enable (OE) are common to
each byte and can be shorted together for full 16-bit opera-
tion.
The LCX162374 is designed for low voltage (2.5V or 3.3V)
VCC applications with capability of interfacing to a 5V signal
environment. The 26series resistor in the output helps
reduce output overshoot and undershoot.
The LCX162374 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing CMOS low power dissipation.
Features
I 5V tolerant inputs and outputs
I 2.3V–3.6V VCC specifications provided
I Equivalent 26series resistor on outputs
I 7.0 ns tPD max (VCC = 3.3V), 20 µA ICC max
I Power down high impedance inputs and outputs
I Supports live insertion/withdrawal (Note 1)
I ±12 mA output drive (VCC = 3.0V)
I Implements patented noise/EMI reduction circuitry
I Latch-up performance exceeds 500 mA
I ESD performance:
Human body model > 2000V
Machine model > 200V
I Also packaged in plastic Fine-Pitch Ball Grid Array
(FBGA) (Preliminary)
Note 1: To ensure the high-impedance state during power up or down, OE
should be tied to VCC through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Order Number Package Number
Package Description
74LCX162374GX
(Note 2)
BGA54A
54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
(Preliminary) [TAPE and REEL]
74LCX162374MEA
(Note 3)
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
74LCX162374MTD
(Note 3)
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Note 2: BGA package available in Tape and Reel only.
Note 3: Devices also available in Tape and Reel. Specify by appending the suffix letter Xto the ordering code.
Logic Symbol
© 2001 Fairchild Semiconductor Corporation DS500442
www.fairchildsemi.com






74LCX162374GX Datasheet, Funktion
AC LOADING and WAVEFORMS Generic for LCX Family
FIGURE 1. AC Test Circuit (CL includes probe and jig capacitance)
Test
tPLH, tPHL
tPZL, tPLZ
tPZH, tPHZ
Switch
Open
6V at VCC = 3.3 ± 0.3V, and 2.7V
VCC x 2 at VCC = 2.5 ± 0.2V
GND
Waveform for Inverting and Non-Inverting Functions
3-STATE Output High Enable and
Disable Times for Logic
Propagation Delay. Pulse Width and trec Waveforms
Setup Time, Hold Time and Recovery Time for Logic
3-STATE Output Low Enable and
Disable Times for Logic
trise and tfall
FIGURE 2. Waveforms
(Input Characteristics; f =1MHz, tr = tf = 3ns)
Symbol
Vmi
Vmo
Vx
Vy
3.3V ± 0.3V
1.5V
1.5V
VOL + 0.3V
VOH 0.3V
VCC
2.7V
1.5V
1.5V
VOL + 0.3V
VOH 0.3V
2.5V ± 0.2V
VCC/2
VCC/2
VOL + 0.15V
VOH 0.15V
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