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參數(shù)資料
| 型號(hào)： | 74F620PC |
| 廠(chǎng)商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | Inverting Octal Bus Transceiver with 3-STATE Outputs |
| 中文描述： | F/FAST SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-20 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 96K |
| 代理商： | 74F620PC |
Philips Semiconductors
Product specification
74F620/74F623
Transceivers
1990 Apr 6
8
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
V
M
V
M
V
M
V
M
Bn or An
An or Bn
t
PLH
t
PHL
SF01131
Waveform 1. For Inverting Outputs
V
M
V
M
V
M
V
M
Bn or An
An or Bn
t
PLH
t
PHL
SF01132
Waveform 2. For Non-Inverting Outputs
V
M
V
M
V
M
t
PHZ
t
PZH
V
OH
-0.3V
0V
SF01133
An or Bn
OEBA
OEAB
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
V
M
V
M
V
M
t
PLZ
t
PZL
V
OL
+0.3V
An or Bn
OEBA
SF01134
OEAB
Waveform 4. 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 3-State 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
SF00777
TEST
t
PLZ
t
PZL
All other
SWITCH
closed
closed
open
SWITCH POSITION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F621 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Octal bus transceiver, non-inverting open collector |
| 74F621N | 制造商:NXP Semiconductors 功能描述: |
| 74F623 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Octal bus transceiver, inverting 3tate |
| 74F623 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F623DC | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Single 8-bit Bus Transceiver |
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