Datasheet

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

SDAS040B − DECEMBER 1983 − REVISED JANUARY 1995
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
recommended operating conditions
SN54AS756
SN74AS756
SN74AS757
UNIT
MIN NOM MAX MIN NOM MAX
UNIT
V
CC
Supply voltage 4.5 5 5.5 4.5 5 5.5 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.7 0.8 V
V
OH
High-level output voltage 5.5 5.5 V
I
OL
Low-level output current 48 64 mA
T
A
Operating free-air temperature −55 125 0 70 °C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS756
SN74AS756
SN74AS757
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= −18 mA −1.2 −1.2 V
I
OH
V
CC
= 4.5 V, V
OH
= 5.5 V 0.1 0.1 mA
V
OL
V
CC
= 4.5 V
I
OL
= 48 mA 0.55
V
V
OL
V
CC
= 4.5 V
I
OL
= 64 mA 0.55
V
I
I
V
CC
= 5.5 V, V
I
= 7 V 0.1 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 20 µA
I
IL
A inputs of
SN74AS757 only
V
CC
= 5.5 V,
V
I
= 0.4 V
−1 −1
mA
I
IL
All other inputs
V
CC
= 5.5 V,
V
I
= 0.4 V
−0.5 −0.5
mA
′AS756
V
CC
= 5.5 V
Outputs high 9 15 9 15
I
CC
′AS756 V
CC
= 5.5 V
Outputs low 51 80 51 80
mA
I
CC
SN74AS757
V
CC
= 5.5 V
Outputs high 21 33 21 33
mA
SN74AS757
V
CC
= 5.5 V
Outputs low 61 95 61 95
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.