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參數(shù)資料
| 型號： | SN74CBT3384CDBR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 10-BIT FET BUSSWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION |
| 中文描述： | 10位場效應(yīng)管BUSSWITCH 5 - V BUS開關(guān)與- 2 - V沖保護 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 344K |
| 代理商： | SN74CBT3384CDBR |
SCDS132A SEPTEMBER 2003 REVISED OCTOBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Undershoot Protection for Off-Isolation on
A and B Ports Up To 2 V
Bidirectional Data Flow, With Near-Zero
Propagation Delay
Low ON-State Resistance (r
on
)
Characteristics (r
on
= 3
Typical)
Low Input/Output Capacitance Minimizes
Loading and Signal Distortion
(C
io(OFF)
= 5 pF Typical)
Data and Control Inputs Provide
Undershoot Clamp Diodes
Low Power Consumption
(I
CC
= 3
μ
A Max)
V
CC
Operating Range From 4 V to 5.5 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
I
off
Supports Partial-Power-Down Mode
Operation
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Performance Tested Per JESD 22
2000-V Human-Body Model
(A114-B, Class II)
1000-V Charged-Device Model (C101)
Supports Both Digital and Analog
Applications: PCI Interface, Memory
Interleaving, Bus Isolation, Low-Distortion
Signal Gating
DB, DBQ, DGV, DW, OR PW PACKAGE
(TOP VIEW)
1OE
1B1
1A1
1A2
1B2
1B3
1A3
1A4
1B4
1B5
1A5
GND
V
CC
2B5
2A5
2A4
2B4
2B3
2A3
2A2
2B2
2B1
2A1
2OE
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
description/ordering information
The SN74CBT3384C is a high-speed TTL-compatible FET bus switch with low ON-state resistance (r
on
),
allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the
SN74CBT3384C provides protection for undershoot up to 2 V by sensing an undershoot event and ensuring
that the switch remains in the proper OFF state.
The SN74CBT3384C is organized as two 5-bit bus switches with separate output-enable (1OE, 2OE) inputs.
It can be used as two 5-bit bus switches or as one 10-bit bus switch. When OE is low, the associated 5-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 5-bit bus switch is OFF, and the high-impedance state exists between the A and B
ports.
Copyright
2003, Texas Instruments Incorporated
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.
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