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| 型号： | SN74AVC16244DGGE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AVC SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO48 |
| 封装： | PLASTIC, TSSOP-48 |
| 文件页数： | 1/11页 |
| 文件大小： | 157K |
| 代理商： | SN74AVC16244DGGE4 |
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.
SN74AVC16244
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES141J – JULY 1998 – REVISED DECEMBER 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Member of the Texas Instruments
Widebus
Family
D EPIC (Enhanced-Performance Implanted
CMOS) Submicron Process
D DOC (Dynamic Output Control) Circuit
Dynamically Changes Output Impedance,
Resulting in Noise Reduction Without
Speed Degradation
D Less Than 2-ns Maximum Propagation
Delay at 2.5-V and 3.3-V VCC
D Dynamic Drive Capability Is Equivalent to
Standard Outputs With IOH and IOL of
±24 mA at 2.5-V VCC
D Overvoltage-Tolerant Inputs/Outputs Allow
Mixed-Voltage-Mode Data Communications
D Ioff Supports Partial-Power-Down Mode
Operation
D ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D Package Options Include Plastic Thin
Shrink Small-Outline (DGG) and Thin Very
Small-Outline (DGV) Packages
description
A Dynamic Output Control (DOC) circuit is implemented, which, during the transition, initially lowers the output
impedance to effectively drive the load and, subsequently, raises the impedance to reduce noise. Figure 1
shows typical VOL vs IOL and VOH vs IOH curves to illustrate the output impedance and drive capability of the
circuit. At the beginning of the signal transition, the DOC circuit provides a maximum dynamic drive that is
equivalent to a high-drive standard-output device. For more information, refer to the TI application reports,
AVC
Logic Family Technology and Applications, literature number SCEA006, and Dynamic Output Control (DOC
)
Circuitry Technology and Applications, literature number SCEA009.
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
153
136
119
102
85
68
51
34
17
TA = 25°C
Process = Nominal
IOL – Output Current – mA
VCC = 3.3 V
VCC = 2.5 V
VCC = 1.8 V
–
Output
V
oltage
–
V
OL
V
2.8
2.4
2.0
1.6
1.2
0.8
0.4
–32
–48
–64
–80
–96
–112
–128
–144
–16
TA = 25°C
Process = Nominal
IOH – Output Current – mA
VCC = 3.3 V
VCC = 2.5 V
VCC = 1.8 V
–
Output
V
oltage
–
V
OH
V
170
0
–160
Figure 1. Output Voltage vs Output Current
This 16-bit buffer/driver is operational at 1.2-V to 3.6-V VCC, but is designed specifically for 1.65-V to 3.6-V VCC
operation.
The SN74AVC16244 is designed specifically to improve the performance and density of 3-state memory
address drivers, clock drivers, and bus-oriented receivers and transmitters.
The device can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. It provides true outputs and
symmetrical active-low output-enable (OE) inputs.
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
DOC, EPIC, and Widebus are trademarks of Texas Instruments Incorporated.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74AVC16244DGGR | 功能描述:缓冲器和线路驱动器 16bit RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| SN74AVC16244DGGR | 制造商:Texas Instruments 功能描述:Driver IC |
| SN74AVC16244DGGRG4 | 制造商:Texas Instruments 功能描述:IC, QUAD 4-BIT DRIVER, TRUE OUTPUT, TSSOP-48, LEAD FREE |
| SN74AVC16244DGVR | 功能描述:缓冲器和线路驱动器 16bit RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| SN74AVC16244GQLR | 功能描述:缓冲器和线路驱动器 16bit RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
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