參數(shù)資料
型號(hào): IDT74ALVCH162821PV8
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 總線收發(fā)器
英文描述: ALVC/VCX/A SERIES, DUAL 10-BIT DRIVER, TRUE OUTPUT, PDSO56
封裝: SSOP-48
文件頁數(shù): 1/6頁
文件大小: 75K
代理商: IDT74ALVCH162821PV8
INDUSTRIALTEMPERATURERANGE
IDT74ALVCH162821
3.3VCMOS20-BITBUS-INTERFACEFLIP-FLOPWITH3-STATEOUTPUTS
1
AUGUST 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
DSC-4538/1
FEATURES:
0.5 MICRON CMOS Technology
Typical tSK(o) (Output Skew) < 250ps
ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
VCC = 3.3V ± 0.3V, Normal Range
VCC = 2.7V to 3.6V, Extended Range
VCC = 2.5V ± 0.2V
CMOS power levels (0.4
W typ. static)
Rail-to-Rail output swing for increased noise margin
Available in SSOP, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
DRIVE FEATURES:
Balanced Output Drivers: ±12mA
Low switching noise
IDT74ALVCH162821
3.3V CMOS 20-BIT
BUS-INTERFACE FLIP-
FLOP WITH 3-STATE OUT-
PUTS AND BUS-HOLD
C1
1
D
TO 9 OTHER CHAN NELS
1
OE
1
56
1
CLK
1
D1
55
1
Q1
2
One of 10
Channels
C1
1
D
TO 9 OTHER CHAN NELS
2
OE
28
29
2
CLK
2
D1
42
2
Q 1
15
One of 10
Channels
DESCRIPTION:
This 20-bit bus-interface flip-flop is built using advanced CMOS technology.
The ALVCH162821 device can be used as two 10-bit flip-flops or one 20-bit
flip-flop.The20-bitflip-flopsareedge-triggeredD-typeflip-flops.Onthepositive
transitionoftheclock(CLK)input,thedeviceprovidestruedataattheQoutputs.
A buffered output-enable (
OE)inputcanbeusedtoplacethetenoutputsin
either a normal logic state (high or low logic levels) 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
capabilitytodrivebuslineswithouttheneedforinterfaceorpullupcomponents.
OEinputdoesnotaffecttheinternaloperationoftheflip-flops.Olddatacanbe
retainedornewdatacanbeenteredwhiletheoutputsareinthehigh-impedance
state.
TheALVCH162821hasseriesresistorsinthedeviceoutputstructurewhich
will significantly reduce line noise when used with light loads. This driver has
been designed to drive ±12mA at the designated threshold levels.
The ALVCH162821 has “bus-hold” which retains the inputs’ last state
whenevertheinputgoestoahighimpedance.Thispreventsfloatinginputsand
eliminates the need for pull-up/down resistor.
APPLICATIONS:
3.3V high speed systems
3.3V and lower voltage computing systems
相關(guān)PDF資料
PDF描述
IDT74ALVCH162836PA8 ALVC/VCX/A SERIES, 20-BIT DRIVER, TRUE OUTPUT, PDSO56
IDT74ALVCH162836PF8 ALVC/VCX/A SERIES, 20-BIT DRIVER, TRUE OUTPUT, PDSO56
IDT74ALVCH16373PA8 ALVC/VCX/A SERIES, DUAL 8-BIT DRIVER, TRUE OUTPUT, PDSO48
IDT74ALVCH16500PA ALVC/VCX/A SERIES, 18-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
IDT74ALVCH16500PV ALVC/VCX/A SERIES, 18-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
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