Datasheet

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SCBS477 − DECEMBER 1992 − REVISED JANUARY 1994
3−3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
recommended operating conditions (see Note 2)
MIN NOM MAX UNIT
V
CC
Supply voltage 4.5 5 5.5 V
V
IH
High-level input voltage 2 V
V
IL
Low-level input voltage 0.8 V
I
IK
Input clamp current −18 mA
I
OH
High-level output current −80 mA
I
OL
Low-level output current 188 mA
T
A
Operating free-air temperature −40 85 °C
NOTE 2: Unused or floating inputs must be held high or low.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
IK
V
CC
= 4.5 V, I
I
= −18 mA −1.2 V
V
OH
V
CC
= 4.75 V, I
OH
= − 3 mA 2.7
V
V
OH
V
CC
= 4.5 V, I
OH
= −80 mA 2
V
V
OL
V
CC
= 4.5 V
I
OL
= 94 mA 0.42 0.55
V
V
OL
V
CC
= 4.5 V
I
OL
= 188 mA 0.7
V
I
OZ
V
CC
= 0 to 2.3 V (power up)
V
O
= 2.7 V or 0.5 V,
OE at 0.8 V
± 50
A
I
OZ
V
CC
= 2.3 to 0 (power down)
V
O
= 2.7 V or 0.5 V,
OE at 0.8 V
± 50
µA
I
I
V
CC
= 5.5 V, V
I
= 5.5 V 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 µA
I
IL
V
CC
= 5.5 V, V
I
= 0.5 V −0.6 mA
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 50 µA
I
OZL
V
CC
= 5.5 V, V
O
= 0.5 V −50 µA
I
CCL
V
CC
= 5.5 V, Outputs open 90 119 mA
I
CCH
V
CC
= 5.5 V, Outputs open 59 78 mA
I
CCZ
V
CC
= 5.5 V, Outputs open 7 11 mA
C
i
V
CC
= 5 V, V
I
= 2.5 V or 0.5 V 5.5 pF
C
o
V
CC
= 5 V, V
O
= 2.5 V or 0.5 V 17 pF
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Note 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
T
A
= −40°C
to 85°C
T
A
= 0°C
to 70°C
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
A
Y
1 3.2 4.9 1 5.6 1 5.5
ns
t
PHL
A Y
2 4 5.6 2 6.3 2 6
ns
t
PZH
OE
Y
3.2 5.6 8.5 3.2 9.7 3.2 9.3
ns
t
PZL
OE
Y
3.7 6.3 9.2 3.7 10.4 3.7 10.2
ns
t
PHZ
OE
Y
1.6 3.6 5.5 1.6 6.5 1.6 6.3
ns
t
PLZ
OE
Y
3.1 5.3 7.8 3.1 9.5 3.1 8.4
ns
NOTE 3: Load circuits and voltage waveforms are shown in Section 1.