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74F646SPC

P1-P3P4-P6
www.fairchildsemi.com 4
74F646
AC Electrical Characteristics
AC Operating Requirements
Symbol Parameter
T
A
= +25°CT
A
= −55°C to +125°CT
A
= 0°C to +70°C
Units
V
CC
= +5.0V V
CC
= +5.0V V
CC
= +5.0V
C
L
= 50 pF C
L
= 50 pF C
L
= 50 pF
Min Max Min Max Min Max
f
MAX
Maximum Clock Frequency 90 75 90 MHz
t
PLH
Propagation Delay 2.0 7.0 2.0 8.5 2.0 8.0
ns
t
PHL
Clock to Bus 2.0 8.0 2.0 9.5 2.0 9.0
t
PLH
Propagation Delay 1.0 7.0 1.0 8.0 1.0 7.5
ns
t
PHL
Bus to Bus 1.0 6.5 1.0 8.0 1.0 7.0
t
PLH
Propagation Delay 2.0 8.5 2.0 11.0 2.0 9.5
ns
t
PHL
SBA or SAB to A or B 2.0 8.0 2.0 10.0 2.0 9.0
t
PZH
Enable Time 2.0 8.5 2.0 10.0 2.0 9.0
ns
t
PZL
OE to A or B 2.0 12.0 2.0 13.5 2.0 12.5
t
PHZ
Disable Time 1.0 7.5 1.0 9.0 1.0 8.5
ns
t
PLZ
OE to A or B 2.0 9.0 2.0 11.0 2.0 9.5
t
PZH
Enable Time 2.0 14.0 2.0 16.0 2.0 15.0
ns
t
PZL
DIR to A or B 2.0 13.0 2.0 15.0 2.0 14.0
t
PHZ
Disable Time 1.0 9.0 1.0 10.0 1.0 9.5
ns
t
PLZ
DIR to A or B 2.0 11.0 2.0 12.0 2.0 11.5
Symbol Parameter
T
A
= +25°CT
A
= −55°C to +125°CT
A
= 0°C to +70°C
UnitsV
CC
= +5.0V V
CC
= +5.0V V
CC
= +5.0V
Min Max Min Max Min Max
t
S
(H) Setup Time, HIGH or LOW 5.0 5.0 5.0
ns
t
S
(L) Bus to Clock 5.0 5.0 5.0
t
H
(H) Hold Time, HIGH or LOW 2.0 2.5 2.0
ns
t
H
(L) Bus to Clock 2.0 2.5 2.0
t
W
(H) Clock Pulse Width 5.0 5.0 5.0
ns
t
W
(L) HIGH or LOW 5.0 5.0 5.0
5 www.fairchildsemi.com
74F646
Physical Dimensions inches (millimeters) unless otherwise noted
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Package Number M24B
24-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
Package Number MSA24
www.fairchildsemi.com 6
74F646 Octal Transceiver/Register with 3-STATE Outputs
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Package Number N24C
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
P1-P3P4-P6

74F646SPC

Mfr. #:
Buy 74F646SPC
Manufacturer:
ON Semiconductor
Description:
IC TXRX NON-INVERT 5.5V 24DIP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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