74F182 Просмотр технического описания (PDF) - Philips Electronics
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74F182 Datasheet PDF : 6 Pages
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Philips Semiconductors
Look-ahead carry generator
Product specification
74F182
APPLICATION
A, B
Cn Cn+4
ALU* G
P
CIN
Cn
ALU* G
P
Cn
ALU* G
P
Cn
ALU* G
P
C18
Cn Cn+4
ALU* G
P
Cn
ALU* G
P
Cn Cn+4
ALU*
Cn Cn+4
ALU*
COUT
(C32)
P0 G0 P1 G1 P2 G2 P3 G3
G
Cn
74F182
P
Cn+x Cn+y Cn+z
F
P0 G0 P1 G1 P2 G2 P3 G3
G
Cn
74F182
P
Cn+x Cn+y Cn+z
SF00728
Figure 1. 32-Bit ALU with Ripple Carry Between 16-Bit Look-Ahead ALUs (*ALUs may be either 74F181 or 74F381)
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free air temperature range.)
SYMBOL
PARAMETER
VCC
Supply voltage
VIN
Input voltage
IIN
VOUT
IOUT
Tamb
Tstg
Input current
Voltage applied to output in High output state
Current applied to output in Low output state
Operating free-air temperature range
Storage temperature range
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
MIN
VCC
Supply voltage
4.5
VIH
High-level input voltage
2.0
VIL
Low-level input voltage
IIK
Input clamp current
IOH
High-level output current
IOL
Low-level output current
Tamb
Operating free-air temperature range
0
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to VCC
40
0 to +70
–65 to +150
LIMITS
NOM
5.0
MAX
5.5
0.8
–18
–1
20
70
UNIT
V
V
mA
V
mA
°C
°C
UNIT
V
V
V
mA
mA
mA
°C
1991 Apr 15
5
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