SN74ALVCH16821DGGR ,3.3-V 20-Bit Bus-Interface Flip-Flop with 3-State OutputsFEATURESDGG OR DL PACKAGE• Member of the Texas Instruments Widebus™(TOP VIEW)Family11OE 56 1CLK• Bu ..
SN74ALVCH16823 ,18-Bit Bus-Interface Flip-Flop With 3-State Outputsfeatures 3-state outputs19 382Q4 2D4designed specifically for driving highly capacitive or20 372Q5 ..
SN74ALVCH16823DGGR ,18-Bit Bus-Interface Flip-Flop With 3-State OutputsSCES038F–JULY 1995–REVISED APRIL 2005FUNCTION TABLE(each 9-bit flip-flop)INPUTSOUTPUTQOE CLR CLKEN ..
SN74ALVCH16823DL ,18-Bit Bus-Interface Flip-Flop With 3-State OutputsFEATURESDGG OR DL PACKAGE• Member of the Texas Instruments Widebus™(TOP VIEW)Family1 561CLR 1CLK• E ..
SN74ALVCH16825DGGR ,18-Bit Buffer/Driver With 3-State OutputsFEATURESDGG OR DL PACKAGE• Member of the Texas Instruments Widebus™(TOP VIEW)Family1 561OE1 1OE2• E ..
SN74ALVCH16827 ,20-Bit Buffer/Driver With 3-State OutputsLOGIC DIAGRAM (POSITIVE LOGIC)1 281OE1 2OE156 291OE2 2OE255 2 42 151A1 1Y1 2A1 2Y1To Nine Other Cha ..
SN74LVC257ARGYRG4 , QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74LVC2952APW ,Octal Bus Transceiver and Register With 3-State OutputsFEATURESDB, DW, NS, OR PW PACKAGE• Operates From 1.65 V to 3.6 V(TOP VIEW)• Inputs Accept Voltages ..
SN74LVC2G00DCTR ,Dual 2-Input Positive-NAND GateMaximum Ratings(1)over operating free-air temperature range (unless otherwise noted)MIN MAX UNITV S ..
SN74LVC2G00DCUR ,Dual 2-Input Positive-NAND GateMaximum Ratings.. 411 Power Supply Recommendations... 117.2 ESD Ratings........ 412 Layout.... 127. ..
SN74LVC2G00DCURG4 , DUAL 2-INPUT POSITIVE-NAND GATE
SN74LVC2G00YEAR , DUAL 2 INPUT POSITIVE NAND GATE
SN74ALVCH16821DGGR
3.3-V 20-Bit Bus-Interface Flip-Flop with 3-State Outputs
FEATURES
DGG OR DL PACKAGE
(TOP VIEW)1OE
1Q1
1Q2
GND
1Q9
1Q10
2Q1
2Q2
2Q3
GND
2Q4
2Q5
2Q6
VCC
2Q7
2Q8
GND
2Q9
2Q10
2OE
1CLK
1D1
1D2
GND
1D9
1D10
2D1
2D2
2D3
GND
2D4
2D5
2D6
VCC
2D7
2D8
GND
2D9
2D10
2CLK ensure the state during power upor down, OE should be tiedto VCC througha pullup
SN74ALVCH16821
3.3-V 20-BIT BUS-INTERFACE FLIP-FLOP
WITH 3-STATE OUTPUTS Member the Texas Instruments Widebus™
Family Bus Hold Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors Latch-Up Exceeds 250 mA Per
JESD17The SN74ALVCH16821 can be used as two 10-bit
flip-flopsor 20-bit flip-flop. The 20 flip-flops are
edge-triggered D-type flip-flops. On the positive
transition of clock (CLK) input, the device
provides trueat theQ outputs. buffered output-enable (OE) input can be usedto
place the tenin eithera normal logic state
(highor low levels)or the high-impedance state. the high-impedance state, the outputs neither load
nor drive bus lines significantly. The
high-impedance state and increased drive provide the
capabilityto bus lines without need for interface pullup components. does not the internal operation of the
flip-flops. Old can be retainedor new data can entered the outputs are in the
high-impedance state.
resistor; the valueof the resistoris determined the current-sinking capabilityof the driver.
Active bus-hold circuitry holds unusedor undriven inputsa valid logic state. Useof pullupor pulldown resistors
with the bus-hold circuitryis not recommended.
ORDERING INFORMATION PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKINGTube SN74ALVCH16821DLSSOP-DL ALVCH16821-40°Cto 85°C Tape and reel SN74ALVCH16821DLR
TSSOP- DGG Tape and reel SN74ALVCH16821DGGR ALVCH16821 drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelinesare availableat
