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參數(shù)資料
| 型號： | N74F245N |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 收發(fā)器 |
| 英文描述： | Octal transceiver (3-State) |
| 封裝： | N74F245D<SOT163-1 (SO20)|<<http://www.nxp.com/packages/SOT163-1.html<1<week 4, 2004,;N74F245D<SOT163-1 (SO20)|<<http://www.nxp.com/packages/SOT163-1.html<1<week 4, |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 101K |
| 代理商： | N74F245N |
Philips Semiconductors
Product specification
74F245
Octal transceiver (3-State)
November 15, 1994
5
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
V
M
V
M
V
M
V
M
Bn, An
An, Bn
t
PLH
t
PHL
SF00202
Waveform 1.
Propagation Delay for Non-Inverting Output
V
OH
–0.3V
V
M
V
M
V
M
An, Bn
t
PZH
t
PHZ
SF00203
OE
0V
Waveform 2.
3-State Output Enable Time to High Level and
Output Disable Time from High Level
V
OL
+0.3V
V
M
V
M
V
M
An, Bn
t
PZL
t
PLZ
SF00204
OE
Waveform 3.
3-State Output Enable Time to Low Level and
Output Disable Time from Low 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
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參數(shù)描述 |
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| N74F245N,602 | 功能描述:總線收發(fā)器 OCTAL BUS TRANSCVR 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 |
| N74F245N602 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| N74F251AD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-input multiplexer 3-State |
| N74F251AN | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-input multiplexer 3-State |
| N74F253 | 制造商:NXP Semiconductors 功能描述: |
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