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PI74ALVTC16721K

Description
Bus Driver, ALVT Series, 1-Func, 20-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, TVSOP-56
Categorylogic    logic   
File Size139KB,8 Pages
ManufacturerPericom Semiconductor Corporation (Diodes Incorporated)
Websitehttps://www.diodes.com/
Download Datasheet Parametric View All

PI74ALVTC16721K Overview

Bus Driver, ALVT Series, 1-Func, 20-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, TVSOP-56

PI74ALVTC16721K Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerPericom Semiconductor Corporation (Diodes Incorporated)
Parts packaging codeSSOP
package instructionTSSOP, TSSOP56,.25,16
Contacts56
Reach Compliance Codeunknown
ECCN codeEAR99
seriesALVT
JESD-30 codeR-PDSO-G56
JESD-609 codee0
length11.3 mm
Load capacitance (CL)30 pF
Logic integrated circuit typeBUS DRIVER
Maximum Frequency@Nom-Sup180000000 Hz
MaximumI(ol)0.064 A
Number of digits20
Number of functions1
Number of ports2
Number of terminals56
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output characteristics3-STATE
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP56,.25,16
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
power supply3.3 V
Prop。Delay @ Nom-Sup3.3 ns
propagation delay (tpd)5 ns
Certification statusNot Qualified
Maximum seat height1.2 mm
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)1.65 V
Nominal supply voltage (Vsup)1.8 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.4 mm
Terminal locationDUAL
Trigger typePOSITIVE EDGE
width4.4 mm
Base Number Matches1
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI74ALVTC16721
2.5V 20-Bit Flip-Flop
with 3-State Outputs
Product Features
• PI74ALVTC16721 is designed for low voltage operation,
V
DD
= 1.65V to 3.6V
• Supports Live Insertion
• 3.6V I/O Tolerant Inputs and Outputs
• Bus Hold
• High Drive, –32/64mA @ 3.3V
• Uses patented noise reduction circuitry
• Power-off high impedance inputs and outputs
• Industrial operation at –40°C to +85°C
• Packages available:
– 56-pin 240-mil wide plastic TSSOP (A56)
– 56-pin 173-mil wide plastic TVSOP (K56)
Product Description
Pericom Semiconductor’s PI74ALVTC series of logic circuits are
produced using the Company’s advanced 0.35 micron CMOS
technology, achieving industry leading speed.
The PI74ALVTC16721 is a 20-bit flip-flop with 3-state outputs
designed specifically for 1.65V to 3.6V V
DD
operation. The device
is designed with edge-triggered D-type flip-flops with qualified
clock storage. On the positive transition of clock (CLK) input, the
device provides true data at the Q outputs, provided that the clock-
enable (CLKEN) input is LOW. If CLKEN is HIGH, no data is stored.
A buffered output-enable (OE) input can be used to place the
20 outputs in either a normal logic state (HIGH or LOW level) or a
high-impedance state. In the high-impedance state, the outputs
neither load nor drive the bus lines significantly. The high-impedance
state and increased drive provide the capacity to drive bus lines
without the need for interface or pullup components. OE does not
affect the internal operation of the flip-flops. Old data can be
retained or new data can be entered while the outputs are in the high-
impedance state.
To ensure the high-impedance state during power up or power
down, OE should be tied to V
DD
through a pullup resistor; the
minimum value of the resistor is determined by the current-sinking
capability of the driver.
The family offers both I/O Tolerant, which allows it to operate in
mixed 1.65/3.6V systems, and "Bus Hold," which retains the data
input’s last state preventing "floating" inputs and eliminating the
need for pullup/down resistors.
Logic Block Diagram
1
56
29
2
55
1
PS8617
06/05/02
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