參數(shù)資料
型號(hào)： 74LVT126PW-T
英文描述： 4-Bit Buffer/Driver
中文描述： 4位緩沖器/驅(qū)動(dòng)器
文件頁(yè)數(shù)： 5/10頁(yè)
文件大小： 80K
代理商： 74LVT126PW-T
Philips Semiconductors
3.3V 16-bit inverting buffer/driver with 30
termination resistors (3-State)
Product specification
74LVT162240A
1998 Feb 19
5
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Temp = -40
°
C to +85
°
C
UNIT
MIN
TYP
1
MAX
V
IK
Input clamp voltage
V
CC
= 2.7V; I
IK
= -18mA
–0.85
1.2
V
V
OH
High-level output voltage
V
CC
= 3.0V; I
OH
= -12mA
2.0
V
V
OL
Low-level output voltage
V
CC
= 3.0V; I
OL
= 12mA
0.8
V
V
CC
= 3.6V; V
I
= V
CC
or GND
Control pins
0.1
±
1
I
I
Input leakage current
V
CC
= 0 or 3.6V; V
I
= 5.5V
0.4
10
μ
A
V
CC
= 3.6V; V
I
= V
CC
Data pins
4
0.1
1
V
CC
= 3.6V; V
I
= 0
-0.4
-5
I
OFF
Output off current
V
CC
= 0V; V
I
or V
O
= 0 to 4.5V
V
CC
= 3V; V
I
= 0.8V
V
CC
= 3V; V
I
= 2.0V
V
CC
= 0V to 3.6V; V
CC
= 3.6V
0.1
±
100
μ
A
75
-75
±
500
135
-135
I
HOLD
Bus Hold current A outputs
6
μ
A
I
EX
Current into an output in the
High state when V
O
> V
CC
V
O
= 5.5V; V
CC
= 3.0V
50
125
μ
A
I
PU/PD
Power up/down 3-State output
current
3
V
≤
1.2V; V
= 0.5V to V
CC
; V
I
= GND or V
CC
OE/OE = Don’t care
1
±
100
μ
A
I
OZH
3-State output High current
V
CC
= 3.6V; V
O
= 3.0V; V
I
= V
IL
or V
IH
0.5
5
μ
A
I
OZL
3-State output Low current
V
CC
= 3.6V; V
O
= 0.5V; V
I
= V
IL
or V
IH
0.5
-5
μ
A
I
CCH
V
CC
= 3.6V; Outputs High, V
I
= GND or V
CC,
I
O =
0
0.07
0.12
I
CCL
Quiescent supply current
V
CC
= 3.6V; Outputs Low, V
I
= GND or V
CC,
I
O =
0
V
CC
= 3.6V; Outputs Disabled; V
I
= GND or V
CC,
I
O =
0
5
4.0
6
mA
I
CCZ
0.07
0.12
I
CC
Additional supply current per
input pin
2
V
= 3V to 3.6V; One input at V
CC
-0.6V,
Other inputs at V
CC
or GND
0.1
0.20
mA
NOTES:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
2. This is the increase in supply current for each input at the specified voltage level other than V
or GND
3. This parameter is valid for any V
between 0V and 1.2V with a transition time of up to 10msec. From V
CC
= 1.2V to V
CC
= 3.3V
±
0.3V a
transition time of 100
μ
sec is permitted. This parameter is valid for T
amb
= 25
°
C only.
4. Unused pins at V
CC
or GND.
5. I
CCZ
is measured with outputs pulled to V
CC
or GND.
6. This is the bus hold overdrive current required to force the input to the opposite logic state.
AC CHARACTERISTICS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF; R
L
= 500
; T
amb
= -40
°
C to +85
°
C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 3.3V
±
0.3V
TYP
1
V
CC
= 2.7V
UNIT
MIN
MAX
MAX
t
PLH
t
PHL
Propagation delay
nAx to nYx
1
0.5
0.5
2.6
2.6
4.2
4.2
5.0
5.0
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.0
1.0
3.3
3.0
5.5
5.0
6.5
5.5
ns
t
PHZ
t
PLZ
Output disable time
from High and Low Level
2
1.0
1.0
3.5
3.2
5.0
4.5
5.5
4.5
ns
NOTE:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
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