Philips Semiconductors Product specification
74ABT125Quad 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 VCC = 4.5V; IIK = –18mA –0.9 –1.2 –1.2 V
VCC = 4.5V; IOH = –3mA; VI = VIL or V
IH
2.5 2.9 2.5 V
V
OH
High–level output voltage VCC = 5.0V; IOH = –3mA; VI = VIL or V
IH
3.0 3.4 3.0 V
VCC = 4.5V; IOH = –32mA; VI = VIL or V
IH
2.0 2.4 2.0 V
V
OL
Low–level output voltage VCC = 4.5V; IOL = 64mA; VI = VIL or V
IH
0.35 0.55 0.55 V
I
I
Input leakage current VCC = 5.5V; VI = GND or 5.5V ±0.01 ±1.0 ±1.0 µA
I
OFF
Power-off leakage current VCC = 0.0V; VO or VI ≤ 4.5V ±5.0 ±100 ±100 µA
IPU/I
PD
Power-up/down 3-State
output current
3
VCC = 2.1V; VO = 0.5V; VI GND or VCC;
VOE = Don’t care
±5.0 ±50 ±50 µA
I
OZH
3-State output High current VCC = 5.5V; VO = 2.7V; VI = VIL or V
IH
1.0 50 50 µA
I
OZL
3-State output Low current VCC = 5.5V; VO = 0.5V; VI = VIL or V
IH
–1.0 –50 –50 µA
I
CEX
Output High leakage current VCC = 5.5V; VO = 5.5V; VI = GND or V
CC
5.0 50 50 µA
I
O
Output current
1
VCC = 5.5V; VO = 2.5V –50 –100 –180 –50 –180 mA
I
CCH
VCC = 5.5V; Outputs High, VI = GND or V
CC
65 250 250 µA
I
CCL
Quiescent supply current VCC = 5.5V; Outputs Low , VI = GND or V
CC
12 15 30 mA
I
CCZ
VCC = 5.5V; Outputs 3–State;
V
I
= GND or V
CC
65 250 50 µA
Outputs enabled, one data input at 3.4V ,
other inputs at VCC or GND; VCC = 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 VCC or GND; VCC = 5.5V
50 250 250 µA
Outputs 3-State, one enable input at 3.4V ,
other inputs at VCC or GND; VCC = 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 to 10msec. From VCC = 2.1V to VCC = 5V ± 10% a
transition time of up to 100µsec is permitted.
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
LIMITS
SYMBOL PARAMETER WAVEFORM
T
amb
= +25°C
VCC = +5.0V
T
amb
= –40°C to +85°C
VCC = +5.0V ±0.5V
UNIT
MIN TYP MAX MIN MAX
t
PLH
t
PHL
Propagation delay
An to Yn
1
1.0
1.0
2.8
3.1
4.1
4.6
1.0
1.0
4.6
4.9
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.0
1.0
3.2
4.2
5.0
6.2
1.0
1.0
5.9
6.8
ns
t
PHZ
t
PLZ
Output disable time
from High and Low level
2
1.0
1.5
4.1
2.8
5.4
5.0
1.0
1.5
6.2
5.5
ns