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參數(shù)資料
| 型號(hào)： | 74F640 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal bus transceiver, inverting (3-State)(八通道總線收發(fā)器，反向（三態(tài)）) |
| 中文描述： | 八路總線收發(fā)器，反相（3態(tài)）（八通道總線收發(fā)器，反向（三態(tài)）） |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 85K |
| 代理商： | 74F640 |
Philips Semiconductors
Product specification
74F640
Octal bus transceiver, inverting (3-State)
1989 Nov 27
7
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
A
n
, B
n
B
n,
A
n
t
PHL
V
M
V
M
V
M
V
M
t
PLH
SF00773
Waveform 1. Propagation Delay for Inverting Outputs
V
OL
+0.3V
V
M
V
M
V
M
An, Bn
t
PZL
t
PLZ
SF00204
OE
Waveform 2. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
V
OH
–0.3V
V
M
V
M
V
M
An, Bn
t
PZH
t
PHZ
SF00203
OE
0V
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
TEST CIRCUIT AND WAVEFORMS
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
t
THL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
V
CC
family
74F
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for Open Collector Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
R
L
7.0V
SF00128
TEST
t
PLZ
t
PZL
All other
SWITCH
closed
closed
open
SWITCH POSITION
相關(guān)PDF資料 |
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|---|---|
| 74F641 | Octal Bus Transceiver with Common Output Enable, Non-Inverting (Open Collector)(帶普通輸出使能的八通道總線收發(fā)器，同相（集電極開路）) |
| 74F642 | Transceivers |
| 74F646SDC | Single 8-bit Bus Transceiver |
| 54F646DMQB | BUS TRANSCEIVER|SINGLE|8-BIT|F-TTL|DIP|24PIN|CERAMIC |
| 54F646FMQB | BUS TRANSCEIVER|SINGLE|8-BIT|F-TTL|FP|24PIN|CERAMIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F640 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F640N | 制造商:NXP Semiconductors 功能描述:OCTAL BUS TRANSCEIVER 制造商:North American Philips Discrete Products Div 功能描述:Bus Transceiver, Single, 8 Bit, 20 Pin, Plastic, DIP 制造商:NXP Semiconductors 功能描述:Bus Transceiver, Single, 8 Bit, 20 Pin, Plastic, DIP |
| 74F640PC | 功能描述:總線收發(fā)器 Octal Bus 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(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 |
| 74F640SC | 功能描述:總線收發(fā)器 Octal Bus 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(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 |
| 74F640SCX | 功能描述:總線收發(fā)器 Octal Bus 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(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 |
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