參數(shù)資料
型號(hào): 74LCX16821
廠商: Fairchild Semiconductor Corporation
英文描述: Low Voltage 20-Bit D-Type Flip-Flop with 5V Tolerant Inputs and Outputs
中文描述: 低電壓20位D類(lèi)觸發(fā)器與5V容限輸入和輸出拖鞋
文件頁(yè)數(shù): 1/8頁(yè)
文件大小: 80K
代理商: 74LCX16821
January 1996
Revised April 1999
7
1999 Fairchild Semiconductor Corporation
DS012634.prf
www.fairchildsemi.com
74LCX16821
Low Voltage 20-Bit D-Type Flip-Flop with 5V Tolerant
Inputs and Outputs
General Description
The LCX16821 contains twenty non-inverting D-type flip-
flops with 3-STATE outputs and is intended for bus oriented
applications. The device is designed for low voltage (2.5V
or 3.3V) V
CC
applications with capability of interfacing to a
5V signal environment.
The LCX16821 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
I
5V tolerant inputs and outputs
I
2.3V–3.6V V
CC
specifications provided
I
6.2 ns t
PD
max (V
CC
=
3.3V), 20
μ
A I
CC
max
I
Power down high impedance inputs and outputs
I
Supports live insertion/withdrawal (Note 1)
I
±
24 mA output drive (V
CC
=
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
Note 1:
To ensure the high-impedance state during power up or down, OE
should be tied to V
CC
through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Order Number
74LCX16821MEA
74LCX16821MTD
Package Number
MS56A
MTD56
Package Description
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Pin Names
Description
OE
n
CLK
n
D
0
–D
19
O
0
–O
19
Output Enable Input (Active LOW)
Clock Input
Inputs
Outputs
相關(guān)PDF資料
PDF描述
74LCX16821MEA Low Voltage 20-Bit D-Type Flip-Flop with 5V Tolerant Inputs and Outputs
74LCX16821MTD Low Voltage 20-Bit D-Type Flip-Flop with 5V Tolerant Inputs and Outputs
74LCX16821MEAX 20-Bit D-Type Flip-Flop
74LCX16821MTDX 20-Bit D-Type Flip-Flop
74LCX16841MEAX 10-Bit D-Type Latch
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74LCX16821MEA 功能描述:觸發(fā)器 20-Bit D Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
74LCX16821MEA_Q 功能描述:觸發(fā)器 20-Bit D Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
74LCX16821MEAX 功能描述:觸發(fā)器 20-Bit D Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
74LCX16821MTD 功能描述:觸發(fā)器 20-Bit D Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
74LCX16821MTD_Q 功能描述:觸發(fā)器 20-Bit D Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel