參數(shù)資料
型號(hào)： 74ALVT162827
廠商： NXP Semiconductors N.V.
英文描述： 20-bit buffer/line driver, non-inverting,with 30Ω termination resistors (3-State)(同相（三態(tài)）,帶30 Ω終端電阻器的20位緩沖器/線驅(qū)動(dòng)器)
中文描述： 20位緩沖器/線路驅(qū)動(dòng)器，非反相，與30Ω終端電阻（3態(tài)）（同相（三態(tài)），帶30Ω終端電阻器的20位緩沖器/線驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 6/10頁(yè)
文件大小： 83K
代理商： 74ALVT162827
Philips Semiconductors
Product specification
74ALVT162827
2.5V/3.3V 20-bit buffer/line driver, non-inverting,
with 30
termination resistors (3-State)
1998 Feb 13
6
DC ELECTRICAL CHARACTERISTICS (2.5V
0.2V RANGE)
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Temp = -40
°
C to +85
°
C
TYP
1
UNIT
MIN
MAX
V
IK
V
OH
V
OL
Input clamp voltage
V
CC
= 2.3V; I
IK
= –18mA
V
CC
= 2.3V; I
OH
= –8mA
V
CC
= 2.3V; I
OL
= 12mA
V
CC
= 2.7V; V
I
= V
CC
or GND
V
CC
= 0 or 2.7V; V
I
= 5.5V
V
CC
= 2.7V; V
I
= V
CC
V
CC
= 2.7V; V
I
= 0
V
CC
= 0V; V
I
or V
O
= 0 to 4.5V
V
CC
= 2.3V; V
I
= 0.7V
V
CC
= 2.3V; V
I
= 1.7V
–0.85
–1.2
V
High-level output voltage
1.7
2.3
V
Low-level output voltage
0.5
0.1
0.1
0.1
0.1
0.1
0.7
±
1
10
1
-5
100
V
Control pins
I
I
Input leakage current
In ut leakage current
μ
A
Data pins
Data ins
4
I
OFF
Off current
μ
A
I
HOLD
Bus Hold current
115
μ
A
Data inputs
6
–10
I
EX
Current into an output in the
High state when V
O
> V
CC
Power up/down 3-State output
current
3
V
O
= 5.5V; V
CC
= 2.3V
10
125
μ
A
I
PU/PD
V
CC
≤
1.2V; V
O
= 0.5V to V
CC
; V
I
= GND or V
CC
;
OE/OE = Don’t care
1
100
μ
A
I
OZH
I
OZL
I
CCH
I
CCL
I
CCZ
3-State output High current
V
CC
= 2.7V; V
O
= 2.3V; V
I
= V
IL
or V
IH
V
CC
= 2.7V; V
O
= 0.5V; V
I
= V
IL
or V
IH
V
CC
= 2.7V; Outputs High, V
I
= GND or V
CC,
I
O =
0
V
CC
= 2.7V; Outputs Low, V
I
= GND or V
CC,
I
O =
0
V
CC
= 2.7V; Outputs Disabled; V
I
= GND or V
CC,
I
O =
0
5
V
CC
= 2.3V to 2.7V; One input at V
CC
–0.6V,
Other inputs at V
CC
or GND
0.5
5
μ
A
μ
A
3-State output Low current
0.5
–5
0.04
0.1
Quiescent supply current
3.5
5.0
mA
0.04
0.1
I
CC
Additional supply current per
input pin
2
0.04
0.4
mA
NOTES:
1. All typical values are at V
CC
= 2.5V and T
amb
= 25
°
C.
2. This is the increase in supply current for each input at the specified voltage level other than V
CC
or GND
3. This parameter is valid for any V
CC
between 0V and 1.2V with a transition time of up to 10msec. From V
CC
= 1.2V to V
CC
= 2.5V
±
0.2V 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 up to V
CC
or pulled down to ground.
6. Not guaranteed.
AC CHARACTERISTICS (2.5V
GND = 0V, t
R
= t
F
= 2.5ns, C
L
= 50pF, R
L
= 500
0.2V RANGE)
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= -40 to +85
o
C
V
CC
= +2.5V
±
0.2V
TYP
UNIT
MIN
MAX
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation delay
nAx to nYx
1
1.5
1.5
2.7
2.3
4.5
3.5
ns
Output enable time
to High and Low level
2
2.5
1.5
4.7
2.9
7.5
4.7
ns
Output disable time
from High and Low level
2
1.5
1.0
3.2
2.4
5.2
4.0
ns
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