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MC74AC646DWG

P1-P3P4-P6P7-P9P10-P10
MC74AC646, MC74ACT646
www.onsemi.com
7
AC OPERATING REQUIREMENTS
Symbol Parameter
V
CC
*
(V)
74AC 74AC
Unit
Fig.
No.
T
A
= +25°C
C
L
= 50 pF
T
A
= −40°C
to +85°C
C
L
= 50 pF
Typ Guaranteed Minimum
t
s
Setup Time, HIGH or LOW 3.3 2.0 5.0 5.5
ns 3−9
Bus to Clock 5.0 1.5 4.0 4.5
t
h
Hold Time, HIGH or LOW 3.3 −1.5 0 0
ns 3−9
Bus to Clock 5.0 −0.5 0.5 1.0
t
w
Clock Pulse Width 3.3 2.0 3.5 4.5
ns 3−6
HIGH or LOW 5.0 2.0 3.5 3.5
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
DC CHARACTERISTICS
Symbol Parameter
V
CC
(V)
74ACT 74ACT
Unit Conditions
T
A
= +25°C
T
A
=
−40°C to
+85°C
Typ Guaranteed Limits
V
IH
Minimum High Level
Input Voltage
4.5 1.5 2.0 2.0
V
V
OUT
= 0.1 V
5.5 1.5 2.0 2.0 or V
CC
− 0.1 V
V
IL
Maximum Low Level
Input Voltage
4.5 1.5 0.8 0.8
V
V
OUT
= 0.1 V
5.5 1.5 0.8 0.8 or V
CC
− 0.1 V
V
OH
Minimum High Level
Output Voltage
4.5 4.49 4.4 4.4
V
I
OUT
= −50 μA
5.5 5.49 5.4 5.4
*V
IN
= V
IL
or V
IH
4.5 − 3.86 3.76 V
I
OH
−24 mA
5.5 − 4.86 4.76 −24 mA
V
OL
Maximum Low Level
Output Voltage
4.5 0.001 0.1 0.1
V
I
OUT
= 50 μA
5.5 0.001 0.1 0.1
*V
IN
= V
IL
or V
IH
4.5 − 0.36 0.44 V
I
OL
24 mA
5.5 − 0.36 0.44 24 mA
I
IN
Maximum Input
Leakage Current
5.5 − ±0.1 ±1.0 μA V
I
= V
CC
, GND
ΔI
CCT
Additional Max. I
CC
/Input 5.5 0.6 − 1.5 mA V
I
= V
CC
− 2.1 V
I
OZT
Maximum
3-State
Current
V
I
(OE) = V
IL
, V
IH
5.5 − ±0.6 ±6.0 μA V
I
= V
CC
, GND
V
O
= V
CC
, GND
I
OLD
†Minimum Dynamic
Output Current
5.5 − − 75 mA V
OLD
= 1.65 V Max
I
OHD
5.5 − − −75 mA V
OHD
= 3.85 V Min
I
CC
Maximum Quiescent
Supply Current
5.5 − 8.0 80 μA V
IN
= V
CC
or GND
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
MC74AC646, MC74ACT646
www.onsemi.com
8
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol Parameter
V
CC
*
(V)
74ACT 74ACT
Unit
Fig.
No.
T
A
= +25°C
C
L
= 50 pF
T
A
= −40°C
to +85°C
C
L
= 50 pF
Min Typ Max Min Max
t
PLH
Propagation Delay
Clock to Bus
5.0 3.5 12.0 14.5 3.0 16.0 ns 3−6
t
PHL
Propagation Delay
Clock to Bus
5.0 4.0 12.0 14.5 3.5 16.0 ns 3−6
t
PLH
Propagation Delay
Bus to Bus
5.0 3.0 8.5 11.0 2.5 12.0 ns 3−5
t
PHL
Propagation Delay
Bus to Bus
5.0 2.5 8.5 11.0 2.0 12.0 ns 3−5
t
PLH
Propagation Delay
SBA or SAB to A
n
or B
n
(w/A
n
or B
n
HIGH or LOW)
5.0 3.0 9.5 12.0 2.5 13.0 ns 3−6
t
PHL
Propagation Delay
SBA or SAB to A
n
or B
n
(w/A
n
or B
n
HIGH or LOW)
5.0 3.0 9.5 12.0 2.5 13.0 ns 3−6
t
PZH
Enable Time
G
to A
n
or B
n
5.0 2.0 9.0 11.0 1.5 12.0 ns 3−7
t
PZL
Enable Time
G
to A
n
or B
n
5.0 3.5 9.0 11.0 3.0 12.0 ns 3−8
t
PHZ
Disable Time
G
to A
n
or B
n
5.0 5.0 10.5 13.0 4.5 14.5 ns 3−7
t
PLZ
Disable Time
G
to A
n
or B
n
5.0 3.5 10.0 12.5 3.0 14.0 ns 3−8
t
PZH
Enable Time
DIR to A
n
or B
n
5.0 2.0 6.5 12.5 1.5 13.5 ns 3−7
t
PZL
Enable Time
DIR to A
n
or B
n
5.0 3.5 6.5 12.5 3.0 13.5 ns 3−8
t
PHZ
Disable Time
DIR to A
n
or B
n
5.0 5.0 8.5 12.5 4.5 13.5 ns 3−7
t
PLZ
Disable Time
DIR to A
n
or B
n
5.0 3.5 8.5 12.5 3.0 13.5 ns 3−8
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
MC74AC646, MC74ACT646
www.onsemi.com
9
AC OPERATING REQUIREMENTS
Symbol Parameter
V
CC
*
(V)
74ACT 74ACT
Unit
Fig.
No.
T
A
= +25°C
C
L
= 50 pF
T
A
= −40°C
to +85°C
C
L
= 50 pF
Typ Guaranteed Minimum
t
s
Setup Time, HIGH or LOW
Bus to Clock
5.0 − 7.0 8.0 ns 3−9
t
h
Hold Time, HIGH or LOW
Bus to Clock
5.0 − 2.5 2.5 ns 3−9
t
w
Clock Pulse Width
HIGH or LOW
5.0 − 7.0 8.0 ns 3−6
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol Parameter
Value
Typ
Unit Test Conditions
C
IN
Input Capacitance 4.5 pF V
CC
= 5.0 V
C
I/O
Input/Output Capacitance 15 pF V
CC
= 5.0 V
C
PD
Power Dissipation Capacitance 60 pF V
CC
= 5.0 V
ORDERING INFORMATION
Device Package Shipping
†
MC74AC646DWR2G
SOIC−24
(Pb−Free)
1000 / Tape & Reel
MC74ACT646DWG 30 Units / Rail
MC74ACT646DWR2G
1000 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
P1-P3P4-P6P7-P9P10-P10

MC74AC646DWG

Mfr. #:
Buy MC74AC646DWG
Manufacturer:
ON Semiconductor
Description:
Bus Transceivers Octal Transceiver Non-Inverting
Lifecycle:
New from this manufacturer.
Delivery:
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