- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄360500 > 74LVCH245A (NXP Semiconductors N.V.) Octal bus transceiver with direction pin with 5-volt tolerant inputs/outputs (3-State)(具有定向引腳的5V輸入/輸出容限的八位總線收發(fā)器（三態(tài)）) PDF資料下載
參數(shù)資料
| 型號(hào)： | 74LVCH245A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal bus transceiver with direction pin with 5-volt tolerant inputs/outputs (3-State)(具有定向引腳的5V輸入/輸出容限的八位總線收發(fā)器（三態(tài)）) |
| 中文描述： | 八路與方向總線收發(fā)器引腳5伏容限輸入/輸出（3態(tài)）（具有定向引腳的5V的輸入/輸出容限的八位總線收發(fā)器（三態(tài)）） |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大?。?/td> | 97K |
| 代理商： | 74LVCH245A |
Philips Semiconductors
Product specification
74LVC245A
74LVCH245A
Octal bus transceiver with direction pin with
5-volt tolerant inputs/outputs (3-State)
2
1998 May 20
853-2044 19419
FEATURES
5-volt tolerant inputs/outputs, for interfacing with 5-volt logic
Supply voltage range of 2.7V to 3.6V
Complies with JEDEC standard no. 8-1A
CMOS low power consumption
Direct interface with TTL levels
High impedance when V
CC
= 0V
Bushold on all data inputs (74LVCH245A only)
DESCRIPTION
The 74LVC245A/74LVCH245A is a high-performance, low-power,
low-voltage, Si-gate CMOS device, superior to most advanced
CMOS compatible TTL families.
Inputs can be driven from either 3.3V or 5V devices. In 3-State
operation, outputs can handle 5V. These features allow the use of
these devices as translators in a mixed 3.3V/5V environment.
The 74LVC245A/74LVCH245A is an octal transceiver featuring
non-inverting 3-State bus compatible outputs in both send and
receive directions. The ’245’ features an output enable (OE) input for
easy cascading and a send/receive (DIR) input for direction control.
OE controls the outputs so that the buses are effectively isolated.
The ’245’ is functionally identical to the ’640’, but the ’640’ has true
(non-inverting) outputs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
t
PHL
/t
PLH
Propagation delay
A
n
to B
n;
B
n
to A
n
Input capacitance
C
L
= 50pF
V
CC
= 3.3V
3.6
ns
C
I
C
I/O
5.0
pF
Input/output capacitance
10.0
pF
C
PD
Power dissipation capacitance per
buffer
Notes 1 and 2
33
pF
NOTE:
1. C
PD
is used to determine the dynamic power dissipation (P
D
in W):
P
D
= C
PD
x V
CC2
x f
i
+ (C
L
x V
CC2
x f
o
) where:
f
i
= input frequency in MHz; C
L
= output load capacity in pF;
f
o
= output frequency in MHz; V
CC
= supply voltage in V;
(C
L
x V
CC2
x f
o
) = sum of outputs.
2. The condition is V
I
= GND to V
CC
ORDERING INFORMATION
PACKAGES
TEMPERATURE
RANGE
OUTSIDE
NORTH AMERICA
NORTH AMERICA
PKG. DWG. #
20-Pin Plastic Shrink Small Outline (SO)
–40
°
C to +85
°
C
74LVC245A D
74LVC245A D
SOT163-1
20-Pin Plastic Shrink Small Outline (SSOP) Type II
–40
°
C to +85
°
C
74LVC245A DB
74LVC245A DB
SOT339-1
20-Pin Plastic Thin Shrink Small Outline (TSSOP) Type I
–40
°
C to +85
°
C
74LVC245A PW
7LVC245APW DH
SOT360-1
20-Pin Plastic Shrink Small Outline (SO)
–40
°
C to +85
°
C
74LVCH245A D
74LVCH245A D
SOT163-1
20-Pin Plastic Shrink Small Outline (SSOP) Type II
–40
°
C to +85
°
C
74LVCH245A DB
74LVCH245A DB
SOT339-1
20-Pin Plastic Thin Shrink Small Outline (TSSOP) Type I
–40
°
C to +85
°
C
74LVCH245A PW
LVCH245APW DH
SOT360-1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74LVC245 | Octal bus transceiver with direction pin with 5-volt tolerant inputs/outputs 3-State |
| 74LVC245A | Octal bus transceiver with direction pin with 5-volt tolerant inputs/outputs 3-State |
| 74LVC245A | LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (NOT INVERTED) HIGH PERFORMANCE |
| 74LVC245AMTR | LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (NOT INVERTED) HIGH PERFORMANCE |
| 74LVC245ATTR | LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (NOT INVERTED) HIGH PERFORMANCE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LVCH245ABQ | 制造商:NXP Semiconductors 功能描述:IC OCT BUS TXRX TRI-ST DHV |
| 74LVCH245ABQ,115 | 功能描述:總線收發(fā)器 3.3V OCTAL XCVR 3-ST RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)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(shí)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 |
| 74LVCH245ABQ-G | 功能描述:總線收發(fā)器 3.3V OCTAL XCVR 3-ST BUS HOLD RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)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(shí)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 |
| 74LVCH245ABQ-Q100X | 制造商:NXP Semiconductors 功能描述:74LVCH245ABQ-Q100/DHVQFN20/REE - Tape and Reel 制造商:NXP Semiconductors 功能描述:IC BUS TXRX OCTAL 3ST 20DHVQFN |
| 74LVCH245ABX | 制造商:NXP Semiconductors 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin DHXQFN20U EP T/R Cut Tape |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。