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參數(shù)資料
| 型號(hào)： | SN74ALVCH16721DGV |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3.3-V 20-BIT FLIP-FLOP WITH 3-STATE OUTPUTS |
| 中文描述： | 3.3 V的20位觸發(fā)器具有三態(tài)輸出 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 137K |
| 代理商： | SN74ALVCH16721DGV |
SN74ALVCH16721
3.3-V 20-BIT FLIP-FLOP
WITH 3-STATE OUTPUTS
SCES052D – JULY 1995 – REVISED FEBRUARY 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Member of the Texas Instruments
Widebus
Family
EPIC
(Enhanced-Performance Implanted
CMOS) Submicron Process
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Latch-Up Performance Exceeds 250 mA Per
JESD 17
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
Package Options Include Plastic 300-mil
Shrink Small-Outline (DL), Thin Shrink
Small-Outline (DGG), and Thin Very
Small-Outline (DGV) Packages
description
This 20-bit flip-flop is designed specifically for
1.65-V to 3.6-V V
CC
operation.
The 20 flip-flops of the SN74ALVCH16721 are
edge-triggered D-type flip-flops with qualified
clock storage. On the positive transition of the
clock (CLK) input, the device provides true data at
the Q outputs if the clock-enable (CLKEN) input is
low. If CLKEN is high, no data is stored.
A buffered output-enable (OE) input places the
20 outputs in either a normal logic state (high or
low) or the 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 capability to drive bus lines without
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
high-impedance state.
outputs
are
in
the
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN74ALVCH16721 is characterized for operation from –40
°
C to 85
°
C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
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OE
Q1
Q2
GND
Q3
Q4
V
CC
Q5
Q6
Q7
GND
Q8
Q9
Q10
Q11
Q12
Q13
GND
Q14
Q15
Q16
V
CC
Q17
Q18
GND
Q19
Q20
NC
CLK
D1
D2
GND
D3
D4
V
CC
D5
D6
D7
GND
D8
D9
D10
D11
D12
D13
GND
D14
D15
D16
V
CC
D17
D18
GND
D19
D20
CLKEN
NC – No internal connection
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
1999, Texas Instruments Incorporated
EPIC and Widebus are trademarks of Texas Instruments Incorporated.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74ALVCH16820DGG | 3.3-V 10-BIT FLIP-FLOP WITH DUAL OUTPUTS AND 3-STATE OUTPUTS |
| SN74ALVCH16820DL | 3.3-V 10-BIT FLIP-FLOP WITH DUAL OUTPUTS AND 3-STATE OUTPUTS |
| SN74ALVCH16821DGG | 3.3-V 20-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS |
| SN74ALVCH16823DGG | 18-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS |
| SN74ALVCH16825DGG | 18-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74ALVCH16721DGVR | 功能描述:觸發(fā)器 3.3 Volt 20-Bit RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 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 |
| SN74ALVCH16721DL | 功能描述:觸發(fā)器 3.3-V 20Bit FlipFlop With 3-State Outputs RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 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 |
| SN74ALVCH16721DLR | 功能描述:觸發(fā)器 3.3V 20bit RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 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 |
| SN74ALVCH16820DGGR | 功能描述:觸發(fā)器 3.3V 10bit RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 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 |
| SN74ALVCH16820DL | 功能描述:觸發(fā)器 3.3-V 10-Bit Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 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 |
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