参数资料
型号: 74ALVT16823
厂商: NXP Semiconductors N.V.
英文描述: 18-bit bus-interface D-type flip-flop with reset and enable (3-State)(带复位和使能的18位总线接口D触发器(三态))
中文描述: 18位总线接口D型触发器的复位触发器,使(3态)(带复位和使能的18位总线接口?触发器(三态))
文件页数: 9/12页
文件大小: 99K
代理商: 74ALVT16823
Philips Semiconductors
Product specification
74ALVT16823
2.5V/3.3V 18-bit bus-interface D-type flip-flop
with reset and enable (3-State)
1998 Jun 12
9
AC WAVEFORMS (Continued)
For all waveforms, V
M
= 1.5V or V
CC
/2 whichever is less
The shaded areas indicate when the input is permitted to change for
predictable output performance.
nOE
t
PZL
t
PLZ
V
OL
+0.3V
V
OL
nQx
SH00021
V
M
V
M
V
M
3.0V or V
CC
whichever
is less
0V
3.0V or V
CC
whichever
is less
Waveform 5. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORM
PULSE
GENERATOR
R
T
V
IN
D.U.T.
V
OUT
C
L
R
L
V
CC
R
L
OPEN
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 or V
CC
/ 2, whichever is less
Input Pulse Definition
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude
Rep. Rate
t
W
t
R
t
F
74ALVT16
GND
6V or
V
CC
x 2
SW00162
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST
SWITCH
t
PHZ
/t
PZH
t
PLZ
/t
PZL
t
PLH
/t
PHL
GND
6V or V
CC
x 2
open
DEFINITIONS
3.0V or V
CC
whichever
is less
10MHz
500ns
2.5ns
2.5ns
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.
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