参数资料
型号: 74ALVT16953DL
厂商: NXP SEMICONDUCTORS
元件分类: 通用总线功能
英文描述: 2.5V/3.3V 16-bit registered transceiver 3-State
中文描述: ALVT SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO56
文件页数: 10/14页
文件大小: 100K
代理商: 74ALVT16953DL
Philips Semiconductors
Product specification
74ALVT16953
2.5V/3.3V 16-bit registered transceiver (3-State)
1998 Mar 26
10
nOEAB,
nOEBA
V
M
t
PZH
t
PHZ
0V
V
OH
–0.3V
nAx, nBx
V
M
V
M
SH00075
V
OH
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
nOEAB,
nOEBA
t
PZL
t
PLZ
V
OL
+0.3V
VOL
nAx, nBx
V
M
V
M
V
M
SH00076
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
V
IN
V
OUT
C
L
V
CC
R
L
Test Circuit for 3-State Outputs
V
M
V
M
t
W
NEGATIVE
PULSE
10%
10%
90%
90%
0V
V
M
V
M
t
W
POSITIVE
PULSE
90%
90%
10%
10%
0V
t
THL
(t
F
)
t
TLH
(t
R
)
t
THL
(t
F
)
t
TLH
(t
R
)
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
74ALVT16
SWITCH POSITION
TEST
SWITCH
t
PLZ/
t
PZL
t
PLH/
t
PHL
t
PHZ
/t
PZH
6V or V
CC x 2
Open
GND
6.0V or V
CC
x 2
R
T
R
L
Open
GND
SW00025
D.U.T.
Amplitude
Rep. Rate
t
W
t
R
t
F
3.0V or V
CC
whichever
is less
10MHz
500ns
2.5ns
2.5ns
V
IN
V
IN
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