933794980602 [NXP]

IC F/FAST SERIES, 8-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDIP20, 0.300 INCH, PLASTIC, SOT-146-1, DIP-20, Arithmetic Circuit;
933794980602
型号: 933794980602
厂家: NXP    NXP
描述:

IC F/FAST SERIES, 8-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDIP20, 0.300 INCH, PLASTIC, SOT-146-1, DIP-20, Arithmetic Circuit

光电二极管 输出元件 逻辑集成电路
文件: 总14页 (文件大小:142K)
中文:  中文翻译
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INTEGRATED CIRCUITS  
74F524  
8-bit register comparator (open-collector  
+ 3-State)  
Product specification  
IC15 Data Handbook  
1990 Aug 07  
Philips  
Semiconductors  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
FEATURES  
PIN CONFIGURATION  
8-Bit bidirectional register with bus-oriented input-output  
S0  
V
1
2
3
4
5
20  
19  
CC  
Independent serial input-output to register  
I/O0  
S1  
Register bus comparator with ‘equal to’, ‘greater than’ and  
I/O1  
I/O2  
I/O3  
18 SE  
‘less than’ outputs  
C/SI  
17  
16  
Cascadable in groups of 8-bits  
C/SO  
Open collector comparator outputs for AND-wired expansion  
Two’s complement or magnitude compare  
I/O4  
I/O5  
I/O6  
I/O7  
GND  
6
7
15 EQ  
14 GT  
LT  
M
8
13  
12  
11  
9
DESCRIPTION  
CP  
10  
The 74F524 is an 8-bit bidirectional register with parallel input and  
output, plus serial input and output progressing from MSB to LSB.  
All data inputs, serial and parallel, are loaded by the rising edge of  
the clock. The device functions are controlled by two control lines  
(S0, S1) to execute shift, load, hold and read out. An 8-bit  
comparator examines the data stored in the registers and on the  
data bus. Three true-High, open collector outputs representing  
‘register equal to bus’, ‘register greater than bus’ and ‘register less  
than bus’ are provided. These outputs can be disabled to the OFF  
state by the use of Status Enable (SE). A mode control has also  
been provided to allow Two’s Complement as well as magnitude  
compare. Linking inputs are provided for expansion to longer words.  
SF00970  
TYPICAL SUPPLY CURRENT  
(TOTAL)  
TYPE  
TYPICAL f  
MAX  
74F524  
65MHz  
110mA  
ORDERING INFORMATION  
COMMERCIAL  
RANGE  
= 5V ±10%,  
DESCRIPTION  
PKG DWG #  
V
CC  
T
amb  
= 0°C to +70°C  
20-pin plastic DIP  
20-pin plastic SOL  
N74F524N  
SOT146-1  
SOT163-1  
N74F524D  
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE  
74F(U.L.)  
HIGH/LOW  
LOAD VALUE  
HIGH/LOW  
PINS  
DESCRIPTION  
I/On  
S0, S1  
C/SI  
CP  
Parallel data inputs  
Mode select inputs  
3.5/1.0  
1.0/1.0  
1.0/1.0  
1.0/1.0  
1.0/1.0  
1.0/1.0  
150/40  
50/33  
70µA/0.6mA  
20µA/0.6mA  
20µA/0.6mA  
20µA/0.6mA  
20µA/0.6mA  
20µA/0.6mA  
3.0mA/24mA  
1.0mA/20mA  
OC/20mA  
Status priority or serial data input  
Clock pulse input (active rising edge)  
Status enable input (active Low)  
Compare mode select input  
SE  
M
I/On  
C/SO  
LT  
3-state parallel data outputs  
Status priority or serial data output  
Register less than bus output  
Register equal to bus output  
OC/33  
OC/33  
OC/33  
EQ  
OC/20mA  
GT  
Register greater than bus output  
OC/20mA  
NOTE:  
One (1.0) FAST Unit Load (U.L.) is defined as 20µA in the High state and 0.6mA in the Low state.  
OC=Open Collector  
2
1990 Aug 07  
853–0373 00135  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
LOGIC SYMBOL for 74F456  
SELECT FUNCTION TABLE  
S0  
S1  
OPERATION  
12  
18  
L
L
HOLD–Retains data in shift register  
L
H
L
READ–Read contents in register onto data bus  
M
SE  
17  
1
C/SI  
S0  
C/SO  
LT  
16  
13  
14  
15  
H
SHIFT–Allows serial shifting on next rising clock  
edge  
S1  
GT  
19  
11  
H
H
LOAD–Load data on bus into register  
CP  
EQ  
H = High voltage level  
= Low voltage level  
L
I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7  
One port of an 8-bit comparator is attached to the data bus while the  
other port is tied to the outputs of the internal register. Three  
active-OFF Open Collector outputs indicate whether the contents  
held in the shift register are ‘greater than’ (GT). ‘less than’ (LT), or  
‘equal to’ (EQ) the data on the input bus. A High signal on the Status  
Enable (SE) input disables these outputs to the OFF state. A mode  
control (M) input allows selection between a straightforward  
magnitude compare or a comparison between Two’s complement  
numbers.  
2
3
4
5
6
7
8
9
V
GND  
=
=
Pin 20  
Pin 10  
CC  
SF00971  
LOGIC SYMBOL (IEEE/IEC) for 74F456  
COMP  
1
0=HOLD  
1=READ  
2=SHIFT  
3=LOAD  
0
1
NUMBER REPRESENTATION SELECT TABLE  
0
3
M
19  
M
OPERATION  
11  
12  
C4/2/4  
L
Magnitude compare  
Two’s Complement compare  
M5 MAGNITUDE  
16  
2D  
M6 TWO’s COMPLEMENT  
H
17  
18  
&
H = High voltage level  
= Low voltage level  
G7  
L
13  
14  
15  
2
3, 4D  
1,5,6,7>I/O  
1,5,6,7<I/O  
For ‘greater than’ or ‘less than’ detection, the C/SI input must be  
held High, as indicated in the Function Table. The internal logic is  
arranged such that a Low signal on the C/SI input places the  
‘greater than’ and ‘less than’ outputs in their off state. (Note that this  
off state serves also as the active state when C/SI is High. It is  
intended for use in expansion to word lengths greater than 8 bits  
using multiple 74S524s as explained in the next 3 paragraphs.) The  
C/SO output will be forced High if the ‘equal to’ status condition  
exists; otherwise, C/SO will be held Low.  
3
4
5
6
1,5,6,7=I/O  
7
8
9
Word length expansion (in groups of 8 bits) can be achieved by  
connecting the C/SO output of the more significant byte to the C/SI  
input of the next less significant byte and also to its own SE input  
(see Application Figure 1). The CS/I input of the most significant  
device is held High while the SE input of the least significant device  
is held Low. The corresponding status outputs are AND-wired  
together. In the case of two’s complement number compare, only the  
Mode input to the most significant device should be High. the Mode  
inputs to all other cascaded devices are held Low.  
SF00972  
FUNCTIONAL DESCRIPTION  
The 74F524 contains eight D-type flip-flops connected as a shift  
register with provision for either parallel or serial loading. Parallel  
data may be read from or loaded into the registers via the data bus  
I/O0–I/O7. Serial data is loaded into the register from the C/SI input  
and may be shifted through the register and out through the C/SO  
output. Both parallel and serial data entry occurs on the rising edge  
of the clock (CP). The operation of the shift register is controlled by  
two signals, S0 and S1, according to the Select Function Table. The  
3-State parallel output buffers are enabled only in the READ mode.  
Suppose that an inequality condition is detected in the most  
significant device. Assuming that the byte stored in the register is  
greater than the byte on the data bus, then the EQ and LT outputs  
will be pulled Low, whereas the GT output will float High. Also, the  
3
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
CS/O output of the most significant device will be forced Low,  
disabling the subsequent devices but enabling its own status  
outputs. The corrected status condition is thus indicated. The same  
applies if the register byte is less than the data byte, only in this  
case the EQ and GT outputs go Low, whereas the LT output floats  
High.  
device and disables its own status outputs. In this way, the status  
output proximity is handed down to the next less significant device  
which now effectively becomes the most significant byte. The worst  
case propagation delay for a compare operation involving ‘n’  
cascaded 74F524s will be when an equality condition is detected in  
all but the least significant byte. In this case, the status priority has  
to ripple all the way down the chain before the correct status output  
is established. Typically, this will take 35+6(n–2) ns.  
If an equality condition is detected in the most significant device, its  
C/SO output is forced High. This enables the next less significant  
APPLICATION  
V
CC  
GREATER THAN  
EQUAL TO  
LESS THAN  
H = TWO’s COMPLEMENT  
L
L
L = MAGNITUDE  
M
GT  
EQ  
LT  
M
GT  
EQ  
LT  
M
GT  
EQ  
LT  
SE  
C/SO  
SE  
C/SO  
SE  
C/SO  
H
C/SI  
C/SI  
C/SI  
L
S0  
S1  
I/O  
S0  
S1  
I/O  
S0  
S1  
I/O  
RD  
WR  
MSB  
8
8
LSB  
8
SF01012  
Figure 1. Cascading 74F524s for Comparing Longer Words  
FUNCTION TABLE  
INPUTS  
S1  
OUTPUTS  
OPERATING MODE  
SE  
H
H
H
H
H
H
H
L
C/SI  
H
L
S0  
L
Data comparison  
EQ  
H
H
H
H
H
H
H
L
GT  
H
H
H
H
H
H
H
H
H
H
H
L
LT  
H
H
H
H
H
H
H
H
H
H
L
C/SO  
L
L
X
(1)  
L
Hold  
Shift  
L
X
X
H
L
X
Q0  
(1)  
L
H
L
L
H
H
H
H
X
Read  
L
X
H
L
H
X
(1)  
L
Load  
H
X
2
2
2
2
2
2
2
2
2
2
2
2
L
H or L  
H or L  
H or L  
H or L  
H or L  
H or L  
H or L  
H or L  
H or L  
H or L  
H or L  
H or L  
OA–OH > I/O0–I/O7  
OA–OH = I/O0–I/O7  
OA–OH < I/O0–I/O7  
OA–OH > I/O0–I/O7  
OA–OH = I/O0–I/O7  
OA–OH < I/O0–I/O7  
L
Compare  
(GT=CT=off)  
L
L
H
L
L
L
L
L
L
H
H
H
L
L
Compare  
(GT=CT=on)  
L
H
L
L
H
L
L
L
H
(1) = High if I/On=Dn, otherwise Low  
= Must meet setup and hold time requirements  
H = High voltage level  
2
L
X
= Low voltage level  
= Don’t care  
4
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
LOGIC DIAGRAM  
1
S0  
19  
S1  
16  
C/SO  
18  
SE  
17  
C/SI  
15  
EQ  
Q
Q
CP  
D
2
3
4
I/O0  
I/O1  
Q
Q
CP  
D
Q
Q
CP  
D
I/O2  
I/O3  
I/O4  
I/O5  
14  
GT  
Q
Q
CP  
D
5
6
Q
Q
CP  
D
Q
Q
CP  
D
7
Q
Q
CP  
D
8
9
I/O6  
I/O7  
13  
LT  
Q
Q
CP  
D
11  
12  
CP  
M
V
=
=
Pin 20  
Pin 10  
CC  
GND  
SF00973  
5
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
ABSOLUTE MAXIMUM RATINGS  
(Operation beyond the limits 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  
RATING  
–0.5 to +7.0  
–0.5 to +7.0  
–30 to +5  
UNIT  
V
V
Supply voltage  
Input voltage  
Input current  
CC  
IN  
V
V
I
mA  
V
IN  
V
OUT  
Voltage applied to output in High output state  
–0.5 to +V  
CC  
All except I/O  
I/O only  
40  
48  
mA  
mA  
°C  
°C  
I
Current applied to output in Low output state  
OUT  
T
Operating free-air temperature range  
Storage temperature range  
0 to +70  
amb  
T
–65 to +150  
stg  
RECOMMENDED OPERATING CONDITIONS  
LIMITS  
SYMBOL  
PARAMETER  
UNIT  
MIN  
4.5  
NOM  
MAX  
V
Supply voltage  
5.0  
5.5  
V
V
CC  
IH  
IL  
V
V
High-level input voltage  
Low-level input voltage  
Input clamp current  
High-level output voltage  
2.0  
0.8  
–18  
4.5  
–3  
V
I
mA  
V
IK  
V
OH  
LT, EQ, GT only  
Not LT, EQ, GT, C/SO  
C/SO only  
mA  
mA  
mA  
mA  
°C  
I
High-level output current  
OH  
–1  
All except I/O  
I/O only  
20  
I
Low-level output current  
OL  
24  
T
amb  
Operating free-air temperature range  
0
70  
6
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
DC ELECTRICAL CHARACTERISTICS  
(Over recommended operating free-air temperature range unless otherwise noted.)  
LIMITS  
NO TAG  
SYMBOL  
PARAMETER  
TEST CONDITIONS  
UNIT  
2
MIN  
TYP  
MAX  
250  
LT, EQ, GT  
only  
V
V
= MIN, V = MAX,  
CC  
IH  
IL  
I
High-level output current  
µA  
OH  
= MIN, V = MAX  
OH  
C/SO only  
±10%V  
±10%V  
2.5  
2.4  
2.7  
V
V
V
V
CC  
CC  
CC  
V
V
V
= MIN,  
= MAX,  
= MIN  
CC  
IL  
V
OH  
High-level output voltage  
I
=MAX  
OH  
I/On only  
IH  
±5%V  
3.4  
0.35  
0.35  
–0.73  
V
V
V
= MIN,  
= MAX,  
= MIN  
±10%V  
±5%V  
0.50  
0.50  
CC  
IL  
CC  
V
V
Low-level output voltage  
Input clamp voltage  
I
OL  
= MAX  
OL  
V
IH  
CC  
V
CC  
V
CC  
V
CC  
V
CC  
V
CC  
= MIN, I = I  
IK  
–1.2  
1
V
IK  
I
I/On  
= MAX, V = 5.5V  
mA  
µA  
µA  
mA  
I
Input current at maximum  
input voltage  
I
I
Except I/On  
= MAX, V = 7.0V  
100  
20  
I
I
I
High-level input current  
Low-level input current  
= MAX, V = 2.7V  
I
IH  
Except I/On  
I/On only  
= MAX, V = 0.5V  
–0.6  
IL  
I
Off-state output current  
High-level voltage applied  
I
V
= MAX, V = 2.7V  
70  
µA  
OZH  
OZL  
CC  
CC  
O
Off-state output current  
Low-level voltage applied  
I
V
= MAX, V = 0.5V  
–0.6  
mA  
O
Short-circuit output  
current  
Except LT,  
EQ, GT  
I
I
V
V
= MAX  
= MAX  
–60  
–150  
150  
mA  
mA  
OS  
CC  
3
Supply current (total)  
110  
CC  
CC  
NOTES:  
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.  
2. All typical values are at V = 5V, T = 25°C.  
CC  
amb  
3. Not more than one output should be shorted at a time. For testing I , the use of high-speed test apparatus and/or sample-and-hold  
OS  
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting  
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any  
sequence of parameter tests, I tests should be performed last.  
OS  
7
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
AC ELECTRICAL CHARACTERISTICS  
LIMITS  
V
amb  
= +5V  
= +25°C  
V
amb  
= +5V ± 10%  
= 0°C to +70°C  
CC  
CC  
TEST  
CONDITION  
T
T
SYMBOL  
PARAMETER  
UNIT  
C = 50pF, R = 500Ω  
C = 50pF, R = 500Ω  
L L  
L
L
MIN  
TYP  
MAX  
MIN  
MAX  
f
Maximum clock frequency  
Waveform 4  
Waveform 2  
50  
65  
45  
MHz  
ns  
MAX  
t
t
Propagation delay  
I/On to EQ  
9.0  
4.5  
11.5  
7.5  
17.0  
11.0  
9.0  
4.5  
18.0  
12.0  
PLH  
PHL  
t
t
Propagation delay  
I/On to GT  
8.5  
6.5  
11.0  
9.5  
17.0  
15.5  
8.5  
6.5  
18.0  
16.5  
PLH  
PHL  
Waveform 2  
Waveform 2  
Waveform 2  
Waveform 4  
Waveform 4  
Waveform 4  
Waveform 4  
Waveform 4  
Waveform 1  
Waveform 1  
Waveform 2  
Waveform 2  
Waveform 2  
Waveform 2  
Waveform 2  
Waveform 2  
Waveform 2  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
t
t
Propagation delay  
I/On to LT  
8.0  
6.0  
11.0  
10.5  
17.0  
14.0  
8.0  
6.0  
18.0  
15.0  
PLH  
PHL  
t
t
Propagation delay  
I/On to C/SO  
7.0  
6.5  
13.0  
9.0  
16.0  
14.0  
7.0  
5.5  
17.0  
15.0  
PLH  
PHL  
t
t
Propagation delay  
CP to EQ  
11.0  
4.0  
17.0  
8.0  
22.0  
14.0  
10.0  
4.0  
23.0  
15.0  
PLH  
PHL  
t
t
Propagation delay  
CP to GT  
11.0  
10.0  
16.0  
16.5  
20.0  
21.0  
10.0  
10.0  
21.0  
22.0  
PLH  
PHL  
t
t
Propagation delay  
CP to LT  
11.0  
8.0  
16.0  
14.0  
23.0  
18.0  
10.0  
8.0  
24.0  
19.0  
PHL  
PLH  
Propagation delay  
CP to C/SO (Load)  
t
10.0  
16.0  
20.0  
10.0  
21.0  
PLH  
t
t
Propagation delay  
CP to C/SO (Serial shift)  
5.0  
4.5  
10.0  
9.0  
13.0  
11.5  
5.0  
4.5  
14.0  
12.5  
PLH  
PHL  
t
t
Propagation delay  
C/SI to GT  
8.0  
3.0  
10.5  
4.5  
16.0  
8.5  
9.0  
2.5  
17.0  
9.5  
PLH  
PHL  
t
t
Propagation delay  
C/SI to LT  
8.0  
3.0  
10.5  
6.0  
17.0  
8.5  
8.0  
2.5  
18.0  
9.5  
PLH  
PHL  
t
t
Propagation delay  
Sn to C/SO  
6.5  
5.5  
8.0  
10.0  
14.5  
17.0  
6.5  
5.5  
15.5  
18.0  
PLH  
PHL  
t
t
Propagation delay  
SE to EQ  
3.5  
2.5  
7.0  
4.5  
10.5  
8.0  
3.5  
2.5  
11.5  
9.0  
PLH  
PHL  
t
t
Propagation delay  
SE to GT  
6.0  
3.5  
8.0  
5.0  
13.0  
8.0  
6.0  
3.0  
14.0  
9.0  
PLH  
PHL  
t
t
Propagation delay  
SE to LT  
5.0  
3.5  
8.0  
5.5  
12.0  
8.0  
5.0  
3.0  
13.0  
9.0  
PLH  
PHL  
t
t
Propagation delay  
C/SI to C/SO  
4.0  
4.0  
7.0  
7.0  
11.0  
11.0  
4.0  
4.0  
12.0  
12.0  
PLH  
PHL  
t
t
Propagation delay  
M to GT  
8.0  
8.0  
13.0  
10.0  
18.0  
15.5  
8.0  
8.0  
19.0  
16.5  
PLH  
PHL  
t
t
Propagation delay  
M to LT  
10.0  
6.0  
15.0  
8.0  
20.0  
12.0  
10.0  
5.0  
21.0  
13.0  
PLH  
PHL  
Waveform  
NO TAG  
Waveform  
NO TAG  
t
t
Output Enable time  
Sn to I/On  
4.5  
5.5  
7.0  
9.0  
13.0  
15.0  
4.5  
5.5  
14.0  
16.0  
PZH  
PZL  
ns  
ns  
Waveform  
NO TAG  
Waveform  
NO TAG  
t
t
Output Disable time  
Sn to I/On  
3.0  
4.5  
5.0  
8.0  
12.0  
12.5  
2.0  
4.5  
13.0  
13.5  
PHZ  
PLZ  
8
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
AC SETUP REQUIREMENTS  
LIMITS  
T
amb  
= +25°C  
T
amb  
= 0°C to +70°C  
SYMBOL  
PARAMETER  
TEST  
V
CC  
= +5.0V  
V
CC  
= +5.0V ± 10%  
UNIT  
CONDITION  
C = 50pF, R = 500Ω  
C = 50pF, R = 500Ω  
L L  
L
L
MIN  
TYP  
MAX  
MIN  
MAX  
t (H)  
t (L)  
s
Setup time, High or Low  
I/On to CP  
6.0  
6.0  
6.0  
6.0  
s
Waveform 3  
Waveform 3  
Waveform 3  
Waveform 3  
Waveform 3  
Waveform 3  
Waveform 4  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
t (H)  
Hold time, High or Low  
I/On to CP  
0
0
0
0
h
t (L)  
h
t (H)  
Setup time, High or Low  
S0, S1 to CP  
13.5  
10.0  
15.0  
10.0  
s
t (L)  
s
t (H)  
Hold time, High or Low  
S0, S1 to CP  
0
0
0
0
h
t (L)  
h
t (H)  
Setup time, High or Low  
C/SI to CP  
7.0  
7.0  
7.0  
7.0  
s
t (L)  
s
t (H)  
Hold time, High or Low  
C/SI to CP  
0
0
0
0
h
t (L)  
h
t (H)  
CP pulse width,  
High or Low  
5.0  
10.0  
5.0  
10.0  
w
t (L)  
w
AC WAVEFORMS  
For all waveforms, V = 1.5V.  
M
The shaded areas indicate when the input is permitted to change for predictable output performance.  
SE, C/SI, M  
I/On, Sn  
V
V
M
M
t
C/SI  
V
V
M
t
M
t
t
PHL  
PLH  
PHL  
PLH  
EQ, C/SO  
GT, LT  
V
V
GT, LT  
M
M
V
V
M
M
SF00974  
SF00975  
Waveform 1. Propagation Delay for Inverting Outputs  
Waveform 2. Propagation Delay for Non-Inverting Outputs  
1/f  
MAX  
V
V
M
CP  
C/SI,  
I/On,  
Sn  
V
V
V
V
M
M
M
M
M
t (L)  
W
t (H)  
W
t (L)  
t (L)  
h
t (H)  
s
t (H)  
h
s
t
t
PLH  
PHL  
CP  
V
M
V
M
EQ, C/SO,  
GT, LT  
V
V
M
M
SF00976  
SF00977  
Waveform 3. Setup and Hold Times  
Waveform 4. Propagation Delay, Clock to Output,  
Clock Pulse Width, and Maximum Clock Frequency  
9
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open collector + 3-State)  
74F524  
AC WAVEFORMS (Continued)  
For all waveforms, V = 1.5V.  
M
The shaded areas indicate when the input is permitted to change for predictable output performance.  
V
V
M
M
Sn  
V
V
M
Sn  
M
t
t
PLZ  
V
-0.3V  
0V  
PZL  
OH  
t
t
PHZ  
PZH  
I/On  
V
M
I/On  
V
M
V
+0.3V  
OL  
SF00978  
SF00979  
Waveform 6. 3-State Output Enable Time to Low Level and  
Output Disable Time from Low Level  
Waveform 5. 3-State Output Enable Time to High Level and  
Output Disable Time from High Level  
TEST CIRCUIT AND WAVEFORMS  
V
CC  
t
w
AMP (V)  
0V  
7.0V  
90%  
90%  
NEGATIVE  
PULSE  
V
V
M
R
L
M
V
V
OUT  
IN  
10%  
10%  
PULSE  
GENERATOR  
D.U.T.  
t
t )  
t
t )  
THL ( f  
TLH ( r  
R
C
R
L
T
L
t
t )  
t
t )  
TLH ( r  
THL ( f  
AMP (V)  
0V  
90%  
M
90%  
POSITIVE  
PULSE  
V
V
M
Test Circuit for 3-State Outputs  
and Open Collector Outputs  
10%  
10%  
t
w
SWITCH POSITION  
TEST  
SWITCH  
closed  
closed  
open  
Input Pulse Definition  
t
t
PLZ, PZL  
Open Collector  
All other  
DEFINITIONS:  
R
L
C
L
R
T
=
=
=
Load resistor;  
INPUT PULSE REQUIREMENTS  
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  
pulse generators.  
family  
V
M
rep. rate  
t
w
t
t
THL  
amplitude  
TLH  
of  
OUT  
2.5ns  
2.5ns  
74F  
3.0V  
1.5V  
1MHz  
500ns  
SF00980  
10  
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open-collector + 3-State)  
74F524  
DIP20: plastic dual in-line package; 20 leads (300 mil)  
SOT146-1  
11  
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open-collector + 3-State)  
74F524  
SO20: plastic small outline package; 20 leads; body width 7.5 mm  
SOT163-1  
12  
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open-collector + 3-State)  
74F524  
NOTES  
13  
1990 Aug 07  
Philips Semiconductors  
Product specification  
8-bit register comparator (open-collector + 3-State)  
74F524  
Data sheet status  
[1]  
Data sheet  
status  
Product  
status  
Definition  
Objective  
specification  
Development  
This data sheet contains the design target or goal specifications for product development.  
Specification may change in any manner without notice.  
Preliminary  
specification  
Qualification  
This data sheet contains preliminary data, and supplementary data will be published at a later date.  
Philips Semiconductors reserves the right to make chages at any time without notice in order to  
improve design and supply the best possible product.  
Product  
specification  
Production  
This data sheet contains final specifications. Philips Semiconductors reserves the right to make  
changes at any time without notice in order to improve design and supply the best possible product.  
[1] Please consult the most recently issued datasheet before initiating or completing a design.  
Definitions  
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For  
detailed information see the relevant data sheet or data handbook.  
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one  
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or  
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended  
periods may affect device reliability.  
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips  
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or  
modification.  
Disclaimers  
Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can  
reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications  
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.  
RighttomakechangesPhilipsSemiconductorsreservestherighttomakechanges, withoutnotice, intheproducts, includingcircuits,standard  
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no  
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these  
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless  
otherwise specified.  
Philips Semiconductors  
811 East Arques Avenue  
P.O. Box 3409  
Copyright Philips Electronics North America Corporation 1998  
All rights reserved. Printed in U.S.A.  
Sunnyvale, California 94088–3409  
Telephone 800-234-7381  
print code  
Date of release: 10-98  
9397-750-05131  
Document order number:  
Philips  
Semiconductors  

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