74ACQ646SC Fairchild Semiconductor, 74ACQ646SC Datasheet - Page 7

• Manufacturer Part Number: 74ACQ646SC
• Description: IC TXRX/REGISTER 3ST 8BIT 24SOIC
• Manufacturer: Fairchild Semiconductor
• Series: 74ACQr

Specifications of 74ACQ646SC

• Logic Type: Registered Transceiver, Non-Inverting
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Current - Output High, Low: 24mA, 24mA
• Voltage - Supply: 2 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
C
C
C
PLH
PHL
PLH
PHL
PLH
PHL
PZH
PZL
PHZ
PLZ
PZH
PZL
PHZ
PLZ
OSHL
OSLH
OSHL
OSLH
t
t
t
S
H
W
AC Electrical Characteristics for ACTQ
Note 17: Voltage Range 5.0 is 5.0V
Note 18: Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs within the same packaged device.
The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (t
design. Not tested.
AC Operating Requirements for ACTQ
Note 19: Voltage Range 5.0 is 5.0V
Capacitance
IN
I/O
PD
Symbol
Symbol
Symbol
Propagation Delay
Clock to Bus
Propagation Delay
Bus to Bus
Propagation Delay
SBA or SAB to A
(w/A
Enable Time
G to A
Disable Time
G to A
Enable Time
DIR to A
Disable Time
DIR to A
Output to Output
Skew (Note 18) Select to Bus
or Clock to Bus
Output to Output
Skew (Note 18)
Bus to Bus
Setup Time, HIGH or LOW
Bus to Clock
Hold Time, HIGH or LOW
Bus to Clock
Clock Pulse Width
HIGH or LOW
n
Input Capacitance
Input/Output Capacitance
Power Dissipation Capacitance
or B
n
n
or B
or B
n
n
or B
or B
n
HIGH or LOW)
n
n
Parameter
n
n
n
Parameter
or B
0.5V
0.5V
Parameter
n
(Note 17)
V
(V)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
CC
(Note 19)
V
5.0
5.0
5.0
(V)
CC
15.0
90.0
7
Typ
4.5
Min
2.5
2.0
2.5
2.5
1.0
2.5
1.0
Typ
T
C
A
L
T
C
10.0
10.0
A
Typ
L
8.5
8.0
8.5
7.0
7.0
0.5
1.0
50 pF
25 C
OSHL
50 pF
Units
25 C
pF
pF
pF
) or LOW-to-HIGH (t
3.0
1.5
4.0
Max
10.5
10.0
10.5
12.0
12.0
Guaranteed Minimum
8.5
8.5
1.0
1.5
V
V
V
CC
CC
CC
T
A
OPEN
5.0V
5.0V
T
A
Min
2.5
2.0
2.5
2.5
1.0
2.5
1.0
OSLH
C
40 C to 85 C
L
C
40 C to 85 C
L
3.0
1.5
4.0
). Parameter guaranteed by
50 pF
Conditions
www.fairchildsemi.com
50 pF
Max
11.0
10.5
11.0
12.5
12.5
9.0
9.0
1.0
1.5
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns