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參數資料
| 型號： | 74LVX4245QSC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Dual Supply Translating Transceiver with TRI-STATE Outputs |
| 中文描述： | LV/LV-A/LVX/H SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | 0.150 INCH, PLASTIC, SSOP-24 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 309K |
| 代理商： | 74LVX4245QSC |
1/13
August 2004
I
HIGH SPEED:
t
PD
= 8.5 ns (MAX.) at
V
CCA
=5.0V V
CCB
= 3.3V
LOW POWER DISSIPATION:
I
CCA
= I
CCB
=5
μ
A(MAX.) at T
A
=25°C
LOW NOISE: V
OLP
=0.3V (TYP.) at
V
CCA
=5.5V V
CCB
=3.3V
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
= 24mA (MIN)
BALANCED PROPAGATION DELAYS:
t
PLH
t
PHL
OPERATING VOLTAGE RANGE:
V
CCA
(OPR) = 4.5V to 5.5V (1.2V Data Retention)
V
CCB
(OPR) = 2.7V to 3.6V (1.2V Data Retention)
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 4245
IMPROVED LATCH-UP IMMUNITY
I
I
I
I
I
I
DESCRIPTION
The 74LVX4245 is a dual supply low voltage
CMOS OCTAL BUS TRANSCEIVER fabricated
with sub-micron silicon gate and double-layer
metal wiring C
2
MOS technology. Designed for use
as an interface between a 5V bus and a 3.3V bus
in a mixed 5V/3.3V supply systems, it achieves
high speed operation while maintaining the CMOS
low power dissipation.
This IC is intended for two-way asynchronous
communication between data buses and the
direction of data transmission is determined by
DIR input. The enable input G can be used to
disable the device so that the buses are effectively
isolated.
The A-port interfaces with the 5V bus, the B-port
with the 3.3V bus.
All inputs are equipped with protection circuits
against static discharge, giving them 2KV ESD
immunity and transient excess voltage.
74LVX4245
OCTAL DUAL SUPPLY BUS TRANSCEIVER
Figure 1: Pin Connection And IEC Logic Symbols
Table 1: Order Codes
PACKAGE
T & R
SOP
TSSOP
74LVX4245MTR
74LVX4245TTR
TSSOP
SOP
Rev. 6
相關PDF資料 |
PDF描述 |
|---|---|
| 74LVX4245QSCX | 8-Bit Dual Supply Translating Transceiver with TRI-STATE Outputs |
| 74LVX4245WM | 8-Bit Dual Supply Translating Transceiver with TRI-STATE Outputs |
| 74LVX4245WMX | 8-Bit Dual Supply Translating Transceiver with TRI-STATE Outputs |
| 74LVX4245 | 8-Bit Dual Supply Translating Transceiver with 3-STATE Outputs |
| 74LVX4245QSC | 8-Bit Dual Supply Translating Transceiver with 3-STATE Outputs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74LVX4245QSC_Q | 功能描述:總線收發器 8-Bit Dl Supp Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX4245QSCX | 功能描述:總線收發器 8-Bit Dl Supp Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX4245TTR | 功能描述:總線收發器 Octal Bus Transceivr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX4245WM | 功能描述:總線收發器 8-Bit Dl Supp Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVX4245WM | 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74LVX SMD 74LVX4245 SOIC24 |
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