74LVC244 Philips Semiconductors, 74LVC244 Datasheet - Page 5
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74LVC244
Manufacturer Part Number
74LVC244
Description
Octal buffer/line driver with 5-volt tolerant inputs/outputs 3-Statetitle
Manufacturer
Philips Semiconductors
Datasheet
1.74LVC244.pdf
(10 pages)
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1. All typical values are at V
2. Valid for data inputs of bushold parts (LVCH-A) only.
3. For data inputs only, control inputs do not have a bushold circuit
4. The specified sustaining current at the data inputs do not have a bushold circuit.
5. The specified overdrive current at the data input forces the data input to the opposite logic input state.
6. For bushold parts, the bushold circuit is switched off when V
Philips Semiconductors
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
NOTES:
1998 May 20
SYMBOL
Octal buffer/line driver with 5-volt
tolerant inputs/outputs (3-State)
I
I
BHHO
V
V
I
I
BHLO
V
V
V
I
I
BHH
V
V
BHL
I
CC
OZ
I
off
O
OH
OL
I
I
CC
IH
IL
I
HIGH level Input voltage
HIGH level Input voltage
LOW level Input voltage
LOW level Input voltage
HIGH level output voltage
HIGH level output voltage
LOW level output voltage
Input leakage current
Input leakage current
3-State output OFF-state current
Power off leakage supply
Quiescent supply current
Additional quiescent supply current
per input pin
Bushold LOW sustaining
current
Bushold HIGH sustaining
current
Bushold LOW overdrive current2
Bushold HIGH overdrive current2
2, 3, 4
2, 3, 4
PARAMETER
CC
= 3.3V and T
amb
, 3, 5
, 3, 5
= 25 C.
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 1.2V
= 2.7 to 3.6V
= 1.2V
= 2.7 to 3.6V
= 2.7V; V
= 3.0V; V
= 3.0V; V
= 3.0V; V
= 2.7V; V
= 3.0V; V
= 3.0V; V
= 3 6V; V = 5 5V or GND
= 3.6V; V
= 3.6V; V
= 0.0V; V
= 3.6V; V
= 2.7V to 3.6V; V
= 3.0V; V
= 3.0V; V
= 3.6V
= 3.6V
I
exceeds V
I
I
I
I
I
I
I
I
I
I
I
I
I
TEST CONDITIONS
or V
=0.8V
=2.0V
= V
= V
= V
= V
= V
= V
= V
= 5.5V or GND
= V
= V
5
IH
IH
IH
IH
IH
IH
IH
IH
CC
O
CC
or V
or V
or V
or V
or V
or V
or V
or V
= 5.5V
I
or GND; I
= V
allowing 5.5V on the input terminal.
IL
IL
IL;
IL;
IL
IL
IL;
IL
CC
; I
; I
; I
; I
; V
I
I
I
O
O
O
O
O
O
O
–0.6V; I
O
= –12mA
= –100 A
= –18mA
= –24mA
= 12mA
= 100 A
= 24mA
O
= 5.5V or GND
= 0
O
= 0
V
V
V
V
Temp = -40 C to +85 C
CC
CC
CC
CC
–500
MIN
V
–75
500
2.0
75
CC
*0.5
*0.2
*0.6
*0.8
74LVCH244A
LIMITS
TYP
"0 1
"0.1
74LVC244A
GND
V
0.1
0.1
0.1
5
–
–
–
–
CC
Product specification
1
MAX
GND
"10
0.40
0.20
0.55
500
"5
"5
"5
0.8
10
–
–
–
–
UNIT
V
V
V
V
V
V
V
A
A
A
A
A
A
A
A
A
A