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参数资料
| 型号： | IDT74LVCHR16646APF8 |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
| 封装： | TVSOP-56 |
| 文件页数： | 1/8页 |
| 文件大小： | 99K |
| 代理商： | IDT74LVCHR16646APF8 |
INDUSTRIALTEMPERATURERANGE
IDT74LVCHR16646A
3.3V CMOS 16-BIT BUS TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS
1
OCTOBER 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
DSC-4682/1
FEATURES:
Typical tSK(o) (Output Skew) < 250ps
ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
VCC = 3.3V ± 0.3V, Normal Range
VCC = 2.7V to 3.6V, Extended Range
CMOS power levels (0.4
W typ. static)
All inputs, outputs, and I/O are 5V tolerant
Supports hot insertion
Available in SSOP, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
DRIVE FEATURES:
Balanced Output Drivers: ±12mA
Low switching noise
APPLICATIONS:
5V and 3.3V mixed voltage systems
Data communication and telecommunication systems
IDT74LVCHR16646A
DESCRIPTION:
The LVCHR16646A 16-bit transceiver/register is built using advanced
dual metal CMOS technology. This high-speed, low power device is
organized as two independent 8-bit D-type transceivers with 3-state D-type
registers. The controls circuitry is organized for multiplexed transmission of
data between A bus and B bus either directly or from the internal storage
registers. Each 8-bit transceiver/register features direction control (DIR),
over-riding Output Enable control (OE) and Select lines (SAB and SBA) to
select either real-time data or stored data. Separate clock inputs are
provided for A and B port registers. Data on the A or B data bus, or both,
can be stored in the internal registers by the low-to-high transitions at the
appropriate clock pins. Flow-through organization of signal pins simplifies
layout. All inputs are designed with hysteresis for improved noise margin.
All pins can be driven from either 3.3V or 5V devices. This feature allows
the use of this device as a translator in a mixed 3.3V/5V supply system.
The LVCHR16646A has series resistors in the device output structure
which will significantly reduce line noise when used with light loads. This
driver has been developed to drive ±12mA at the designated threshold
levels.
The LVCHR16646A has “bus-hold” which retains the inputs’ last state
whenever the input goes to a high impedance. This prevents floating inputs
and eliminates the need for pull-up/down resistors
3.3V CMOS 16-BIT BUS
TRANSCEIVER/REGISTER
WITH 3-STATE OUTPUTS, 5 VOLT
TOLERANT I/O AND BUS-HOLD
TO SEVE N OTHER CHAN NELS
1
B1
B R EG
D
C
A R EG
D
C
1
A1
1
SAB
1
C LKAB
1
SB A
1
OE
1
CLKB A
2
B1
B R EG
D
C
A R EG
D
C
2
A1
2
SAB
2
CLKAB
2
SB A
2
OE
2
CLKBA
2
DIR
1
DIR
56
1
55
54
2
3
5
29
28
30
31
27
26
15
52
42
TO SEVE N OTHER CHAN N ELS
相关PDF资料 |
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| IDT74LVCHR16646APA | LVC/LCX/Z SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
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| IDT74LVCR16543APF | LVC/LCX/Z SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
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| IDT74LVCR162245APV | 制造商:Integrated Device Technology Inc 功能描述: |
| IDT74LVCR162245APVG | 功能描述:IC BUS TRSCVR 3-ST 16BIT 48SSOP RoHS:是 类别:集成电路 (IC) >> 逻辑 - 缓冲器，驱动器，接收器，收发器 系列:74LVCR 标准包装:47 系列:74LVX 逻辑类型:缓冲器/线路驱动器，非反相 元件数:4 每个元件的位元数:1 输出电流高，低:4mA，4mA 电源电压:2 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.209"，5.30mm 宽） 供应商设备封装:14-SOIC 包装:管件 |
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