參數(shù)資料
型號(hào): 74F283
廠商: NXP Semiconductors N.V.
英文描述: 4-bit binary full adder with fast carry(帶快速進(jìn)位的4位二進(jìn)制全加器)
中文描述: 4位二進(jìn)制全加器快速進(jìn)行(帶快速進(jìn)位的4位二進(jìn)制全加器)
文件頁(yè)數(shù): 6/10頁(yè)
文件大?。?/td> 114K
代理商: 74F283
Philips Semiconductors
Product specification
74F283
4-bit binary full adder with fast carry
1989 Mar 03
6
AC ELECTRICAL CHARACTERISTICS
LIMITS
TEST
T
amb
= +25
°
C
= +5 V
V
CC
= +5.V
C
L
= 50pF,
R
L
= 500
TYP
T
amb
= 0
°
C to +70
°
C
= +5 V
±
10%
V
CC
= +5.V
C
L
= 50pF,
R
L
= 500
MIN
SYMBOL
PARAMETER
CONDITIONS
UNIT
MIN
MAX
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Propagation delay
C
IN
to
Σ
i
Propagation delay
Ai or Bi to
Σ
i
Propagation delay
C
IN
to C
OUT
Propagation delay
Ai or Bi to C
OUT
Waveform 1, 2
3.5
4.0
7.0
7.0
9.5
9.5
3.0
3.5
10.5
10.5
ns
ns
Waveform 1, 2
3.5
3.5
7.0
7.0
9.5
9.5
2.5
3.5
10.5
10.5
ns
ns
Waveform 2
3.5
3.0
5.7
5.4
7.5
7.0
3.5
2.5
8.5
8.0
ns
ns
Waveform 1, 2
3.5
2.5
5.7
5.3
7.5
7.0
3.0
2.5
8.5
8.0
ns
ns
AC WAVEFORMS
For all waveforms, V
M
=1.5V.
V
M
V
M
V
M
V
M
Ai, Bi, C
IN
Σ
i, C
OUT
t
PLH
SF00857
t
PHL
Waveform 1. Propagation Delay
Operands and Carry Inputs to Outputs
V
M
V
M
V
M
V
M
t
PHL
t
PLH
SF00858
Ai, Bi, C
IN
Σ
i, C
OUT
Waveform 2. Propagation Delay
Operands and Carry Inputs to Outputs
TEST CIRCUIT AND WAVEFORM
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
2.5ns
t
THL
2.5ns
1MHz
500ns
Input Pulse Definition
V
CC
family
74F
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for Totem-Pole Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC ELECTRICAL CHARACTERISTICS for value.
Load capacitance includes jig and probe capacitance;
see AC ELECTRICAL CHARACTERISTICS for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
SF00006
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