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SN74LVCH32244A 具有三态输出的 32 位缓冲器/驱动器

SN74LVCH32244A 描述

This 32-bit buffer/driver is designed for 1.65-V to 3.6-V VCC operation.

The SN74LVCH32244A 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 eight 4-bit buffers, four 8-bit buffers, two 16-bit buffers, or one 32-bit buffer. It provides true outputs and symmetrical active-low output-enable (OE)\ inputs.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down

	SN74LVCH32244A
Voltage Nodes(V)	3.3, 2.7, 2.5, 1.8
Vcc range(V)	2.0 to 3.6
Logic	True
Input Level	TTL/CMOS
Output Level	LVTTL
Output Drive(mA)	-24/24
No. of Outputs	32
tpd max(ns)	4.4
Static Current	0.04
Rating	Catalog
Technology Family	LVC

SN74LVCH32244A 特性

• Memeber of the Texas Instruments Widebus+™ Family
• Operate From 1.65 V to 3.6 V
• Inputs Accept Voltages to 5.5 V
• Max tpd of 4.1 ns at 3.3 V
• Typical VOLP (Output Ground Bounce)     <0.8 V at VCC = 3.3 V, TA= 25°C
• Typical VOHV (Output VOH Undershoot)     >2 V at VCC = 3.3 V, TA = 25°C
• Ioff Supports Partial-Power-Down Mode Operation
• Supports Mixed-Mode Signal Operation on All Ports (5-V Input and Output Voltages With 3.3-V VCC)
• Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-A)
  • 200-V Machine Model (A115-A)
  • 1000-V Charged-Device Model (C101)

SN74LVCH32244A 芯片订购指南

器件	状态	温度	价格（美元）	封装 | 引脚	封装数量 | 封装载体	丝印标记
SN74LVCH32244AKR	NRND	-40 to 85	3.90 | 1ku	LFBGA (GKE) | 96	1000 | LARGE T&R	CG244A

SN74LVCH32244A 质量与无铅数据

器件	环保计划*	铅/焊球涂层	MSL 等级/回流焊峰	环保信息与无铅 (Pb-free)	DPPM / MTBF / FIT 率
SN74LVCH32244AKR	TBD	SNPB	Level-2-235C-1 YEAR	SN74LVCH32244AKR	SN74LVCH32244AKR

SN74LVCH32244A 应用技术支持与电子电路设计开发资源下载

1. SN74LVCH32244A 数据资料 dataSheet 下载.PDF
2. TI 德州仪器缓冲器、驱动器/收发器产品选型与价格 . xls
3. CMOS 非缓冲反向器在振荡器电路中的使用 (PDF 951 KB)
4. Semiconductor Packing Methodology (PDF 3005 KB)
5. 逻辑产品选择指南 2006/2007 （修订版 Z）(4462KB)
6. 标准线性和逻辑产品 5 分钟指南 (786KB)
7. 了解和解释标准逻辑数据表
8. LOGIC Pocket Data Book (PDF 6001 KB)
9. HiRel Unitrode Power Management Brochure (PDF 206 KB)
10. Logic Cross-Reference (PDF 2938 KB)