參數(shù)資料
型號(hào): 74F822
廠商: NXP Semiconductors N.V.
英文描述: Bus interface registers
中文描述: 總線接口寄存器
文件頁(yè)數(shù): 14/18頁(yè)
文件大?。?/td> 140K
代理商: 74F822
Philips Semiconductors
Product specification
74F821/822/823/824/825/826
Bus interface registers
1996 Jan 05
14
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
PDF描述
74F821 Bus interface registers
74F823 Bus interface registers
74F824 Bus interface registers
74F825 Bus interface registers
74F826 Bus interface registers
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