參數(shù)資料
型號(hào)： 74ABT126N
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 通用總線功能
英文描述： Quad buffer 3-State
中文描述： ABT SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDIP14
文件頁(yè)數(shù)： 4/10頁(yè)
文件大小： 92K
代理商： 74ABT126N
Philips Semiconductors
Product specification
74ABT126
Quad buffer (3-State)
1998 Jan 16
4
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
°
C
T
amb
= –40
°
C
to +85
°
C
UNIT
Min
Typ
Max
Min
Max
V
IK
Input clamp voltage
V
CC
= 4.5V; I
IK
= –18mA
–0.9
–1.2
–1.2
V
V
CC
= 4.5V; I
OH
= –3mA; V
I
= V
IL
or V
IH
2.5
2.9
2.5
V
V
OH
High-level output voltage
V
CC
= 5.0V; I
OH
= –3mA; V
I
= V
IL
or V
IH
3.0
3.4
3.0
V
V
CC
= 4.5V; I
OH
= –32mA; V
I
= V
IL
or V
IH
2.0
2.4
2.0
V
V
OL
Low-level output voltage
V
CC
= 4.5V; I
OL
= 64mA; V
I
= V
IL
or V
IH
0.35
0.55
0.55
V
I
I
Input leakage current
V
CC
= 5.5V; V
I
= GND or 5.5V
±
0.01
±
1.0
±
1.0
μ
A
I
OFF
Power-off leakage current
V
CC
= 0.0V; V
O
or V
I
≤
4.5V
±
5.0
±
100
±
100
μ
A
I
PU
/I
PD
Power-up/down 3-State
output current
3
V
CC
= 2.1V; V
= 0.5V; V
I
GND or V
CC
;
V
OE
= Don’t care
±
5.0
±
50
±
50
μ
A
I
OZH
3-State output High current
V
CC
= 5.5V; V
O
= 2.7V; V
I
= V
IL
or V
IH
1.0
50
50
μ
A
I
OZL
3-State output Low current
V
CC
= 5.5V; V
O
= 0.5V; V
I
= V
IL
or V
IH
–1.0
–50
–50
μ
A
I
CEX
Output High leakage current
V
CC
= 5.5V; V
O
= 5.5V; V
I
= GND or V
CC
5.0
50
50
μ
A
I
O
Output current
1
V
CC
= 5.5V; V
O
= 2.5V
–50
–100
–180
–50
–180
mA
I
CCH
V
CC
= 5.5V; Outputs High, V
I
= GND or V
CC
65
250
250
μ
A
I
CCL
Quiescent supply current
V
CC
= 5.5V; Outputs Low, V
I
= GND or V
CC
12
15
15
mA
I
CCZ
V
CC
= 5.5V; Outputs 3–State;
V
I
CC
65
250
250
μ
A
Outputs enabled, one data input at 3.4V,
other inputs at V
CC
or GND; V
CC
= 5.5V
0.5
1.5
1.5
mA
I
CC
Additional supply current per
input pin
2
Outputs 3-State, one data input at 3.4V, other
inputs at V
CC
or GND; V
CC
= 5.5V
50
250
250
μ
A
Outputs 3-State, one enable input at 3.4V,
other inputs at V
CC
or GND; V
CC
= 5.5V
0.5
1.5
1.5
mA
NOTES:
1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
2. This is the increase in supply current for each input at 3.4V.
3. This parameter is valid for any V
CC
between 0V and 2.1V, with a transition time of up to10msec. From V
CC
= 2.1V to V
CC
= 5V
±
10%, a
transition time of up to 100
μ
sec is permitted.
AC CHARACTERISTICS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF, R
L
= 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= +25
°
C
V
CC
= +5.0V
T
amb
= –40
°
C to +85
°
C
CC
= +5.0V
±
0.5V
UNIT
Min
Typ
Max
Min
Max
t
PLH
t
PHL
Propagation delay
An to Yn
1
1.0
1.0
2.9
3.0
4.2
4.3
1.0
1.0
4.4
4.6
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.9
1.9
3.2
4.4
5.8
5.9
1.9
1.9
6.5
6.5
ns
t
PHZ
t
PLZ
Output disable time
from High and Low level
2
1.0
1.0
4.2
2.9
5.2
4.9
1.0
1.0
5.8
5.5
ns
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