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SN74CB3T16211DGVR.B中文资料
SN74CB3T16211DGVR.B数据手册规格书PDF详情
1FEATURES
2• Member of the Texas Instruments Widebus™
Family
• Output Voltage Translation Tracks VCC
• Supports Mixed-Mode Signal Operation on
All Data I/O Ports
– 5-V Input Down to 3.3-V Output Level
Shift With 3.3-V VCC
– 5-V/3.3-V Input Down to 2.5-V Output
Level Shift With 2.5-V VCC
• 5-V Tolerant I/Os With Device Powered Up
or Powered Down
• Bidirectional Data Flow With Near-Zero
Propagation Delay
• Low ON-State Resistance (ron) Characteristics
(ron = 5 Ω Typ)
• Low Input/Output Capacitance Minimizes
Loading (Cio(OFF) = 5 pF Typ)
• Data and Control Inputs Provide
Undershoot Clamp Diodes
• Low Power Consumption
(ICC = 70 μA Max)
• VCC Operating Range From 2.3 V to 3.6 V
• Data I/Os Support 0- to 5-V Signaling Levels
(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
• Control Inputs Can Be Driven by TTL
or 5-V/3.3-V CMOS Outputs
• Ioff Supports Partial-Power-Down Mode
Operation
• Latch-Up Performance Exceeds 250 mA Per
JESD 17
• ESD Performance Tested Per JESD 22
– 2000-V Human-Body Model
(A114-B, Class II)
– 1000-V Charged-Device Model (C101)
• Supports Digital Applications: Level
Translation, PCI Interface, Bus Isolation
• Ideal for Low-Power Portable Equipment
DESCRIPTION/ORDERING INFORMATION
The SN74CB3T16211 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron),
allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O
ports by providing voltage translation that tracks VCC. The SN74CB3T16211 supports systems using 5-V TTL,
3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels (see Figure 1).
The I/O port of this device has a pullup current source that maintains the output voltage at VCC when the device
is ON, and the input is greater than or equal to VCC – 1. Because of the pullup current source, the output voltage
level may be less than VCC when the operating frequency is low and the I/O port is connected to a pulldown
resistor. In order to maintain the output voltage at VCC, a pullup resistor must be connected to VCC instead of a
pulldown resistor to ground.
The SN74CB3T16211 is organized as two 12-bit bus switches with separate output-enable (1OE, 2OE) inputs. It
can be used as two 12-bit bus switches or as one 24-bit bus switch. When OE is low, the associated 12-bit bus
switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE
is high, the associated 12-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.
This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging
current will not backflow through the device when it is powered down. The device has isolation during power off.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TexasInstruments |
18+ |
ICSWITCHBUSFET24BIT56-SS |
6800 |
公司原装现货/欢迎来电咨询! |
|||
Texas Instruments |
24+ |
56-SSOP |
56300 |
一级代理/放心采购 |
|||
TI |
25+ |
SSOP-56 |
3854 |
就找我吧!--邀您体验愉快问购元件! |
|||
TI |
22+ |
56SSOP |
9000 |
原厂渠道,现货配单 |
|||
TI/德州仪器 |
23+ |
SSOP56P(PB-F) |
11200 |
原厂授权一级代理、全球订货优势渠道、可提供一站式BO |
|||
TI(德州仪器) |
24+ |
SSOP56 |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
|||
TI |
2526+ |
原厂封装 |
12500 |
15年芯片行业经验/只供原装正品:0755-83267371邹小姐 |
|||
TI(德州仪器) |
24+ |
SSOP56 |
1490 |
原装现货,免费供样,技术支持,原厂对接 |
|||
24+ |
N/A |
65000 |
一级代理-主营优势-实惠价格-不悔选择 |
||||
1040+ |
23+ |
SSOP-56 |
110 |
全新原装正品现货,支持订货 |
SN74CB3T16211DGVR.B 资料下载更多...
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