Philips Semiconductors Product specification
74ABT2241
Octal buffer with 30 series termination resistors
(3-State)
1996 Sep 30
4
RECOMMENDED OPERATING CONDITIONS
SYMBOL PARAMETER LIMITS UNIT
Min Max
V
CC
DC supply voltage 4.5 5.5 V
V
I
Input voltage 0 V
CC
V
V
IH
High-level input voltage 2.0 V
V
IL
Low-level Input voltage 0.8 V
I
OH
High-level output current –32 mA
I
OL
Low-level output current 12 mA
∆t/∆v Input transition rise or fall rate 0 5 ns/V
T
amb
Operating free-air temperature range –40 +85 °C
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
p
V
CC
= 4.5V; I
OL
= 5mA; V
I
= V
IL
or V
IH
0.32 0.55 0.55 V
OL
-
V
CC
= 4.5V; I
OL
= 12mA; V
I
= V
IL
or V
IH
0.8 0.8 V
I
I
Input leakage current V
CC
= 5.5V; V
I
= GND or 5.5V ±0.01 ±1.0 ±1.0 µA
I
OFF
Power-off leakage current V
CC
= 0.0V; V
I
or V
O
≤ 4.5V ±5.0 ±100 ±100 µA
I
PU
/I
PD
Power-up/down 3-State
output current
3
V
CC
= 2.0V; V
O
= 0.5V; V
I
= GND or V
CC
;
V
OE
= V
CC
; V
OE
= GND
±5.0 ±50 ±50 µA
I
OZH
3-State output High current V
CC
= 5.5V; V
O
= 2.7V; V
I
= V
IL
or V
IH
5.0 50 50 µA
I
OZL
3-State output Low current V
CC
= 5.5V; V
O
= 0.5V; V
I
= V
IL
or V
IH
–5.0 –50 –50 µA
I
CEX
Output High leakage current V
CC
= 5.5V; V
O
= 5.5V; V
I
= GND or V
CC
5.0 50 50 µA
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
50 250 250 µA
I
CCL
Quiescent supply current V
CC
= 5.5V; Outputs Low, V
I
= GND or V
CC
24 30 30 mA
I
CCZ
V
CC
= 5.5V; Outputs 3–State;
V
I
= GND or V
CC
50 250 250 µA
Outputs enabled, one 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 µA
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:
