參數(shù)資料
型號(hào): 7LVT2952PWDH
廠商: NXP Semiconductors N.V.
英文描述: 3.3V LVT octal registered transceiver 3-State
中文描述: 3.3小型終端收發(fā)器八注冊(cè)三態(tài)
文件頁(yè)數(shù): 7/12頁(yè)
文件大小: 102K
代理商: 7LVT2952PWDH
Philips Semiconductors
Product specification
74LVT2952
3.3V Octal registered transceiver (3-State)
1998 Feb 19
7
OEAB,
OEBA
t
PZH
t
PHZ
0V
An, Bn
1.5V
1.5V
1.5V
2.7V
0V
SV00132
Waveform 3.
3-State Output Enable Time to High Level and
Output Disable Time from High Level
OEAB,
OEBA
t
PZL
t
PLZ
An, Bn
1.5V
1.5V
1.5V
0V
2.7V
3V
SV00133
Waveform 4.
3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORMS
V
M
V
M
t
W
AMP (V)
NEGATIVE
PULSE
10%
10%
90%
90%
0V
V
M
V
M
t
W
AMP (V)
POSITIVE
PULSE
90%
90%
10%
10%
0V
t
THL
(t
F
)
t
TLH
(t
R
)
t
THL
(t
F
)
t
TLH
(t
R
)
V
M
= 1.5V
Input Pulse Definition
DEFINITIONS
R
L
=
Load resistor; see AC CHARACTERISTICS for value.
C
L
=
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
R
T
=
Termination resistance should be equal to Z
OUT
of
pulse generators.
INPUT PULSE REQUIREMENTS
FAMILY
74LVT
PULSE
GENERATOR
V
IN
D.U.T.
V
OUT
C
L
V
CC
R
L
Test Circuit for 3-State Outputs
6.0V
R
T
R
L
SV00092
Open
GND
SWITCH POSITION
TEST
SWITCH
t
PLH
/t
PHL
t
PLZ
/t
PZL
t
PHZ
/t
PZH
Open
6V
GND
Amplitude
Rep. Rate
t
W
t
R
t
F
2.7V
10MHz
500ns
2.5ns
2.5ns
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