M74HC7292M1R [STMICROELECTRONICS]
PROGRAMMABLE DIVIDER/TIMER; 可编程分频器/定时器型号: | M74HC7292M1R |
厂家: | ST |
描述: | PROGRAMMABLE DIVIDER/TIMER |
文件: | 总14页 (文件大小:301K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
M54/74HC292/7292
M54/74HC294/7294
PROGRAMMABLE DIVIDER/TIMER
.
.
.
.
.
.
.
.
HIGH SPEED
MAX = 70 MHz (TYP.) at VCC = 5 V
LOW POWER DISSIPATION
ICC = 4 mA (MAX.) at TA = 25 oC
HIGH NOISE IMMUNITY
f
V
NIH = VNIL = 28 % VCC (MIN.)
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
SYMMETRICAL OUTPUT IMPEDANCE
| IOH|= IOL = 4 mA (MIN.)
BALANCED PROPAGATION DELAYS
tPLH = tPHL
WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
B1R
(Plastic Package)
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
PIN AND FUNCTION COMPATIBLE WITH
54/74LS292/294
ORDER CODES :
M54HCXXXF1R
M74HCXXXB1R
M74HCXXXM1R
M74HCXXXC1R
DESCRIPTION
The 54/74HC292/7292 and HC294/7294 are high
speed CMOS PROGRAMMABLE DIVIDER/TIMER
fabricated with silicon C2MOS technology.
types feature an active-low clear input to initialize
the state of all flip-flops. To facilitate incoming
inspection, test points are provided. (TP1, TP2 and
TP3 on the HC292/7292 and TP on the
HC294/7294). All inputs are equipped with
protection circuits against static discharge and
transient excess voltage.
They achieve the high speed operation similar to
equivalent LSTTL while maintaining the CMOS low
power dissipation.
These devices are programmable frequency
dividers. The typeshave two clockinputs, either one
may be used for clock gating. (see the function
table). The HC292/7292 can divide from 22 to 231,
and the HC294/7294 can divide from 22 to 215. The
HC292/294 have Q output with ”Totem pole”
configuration and test point TP with ”Open Drain”
output configuration.
HC7292/7294 have all outputs ”Totem Pole”.
PIN CONNECTION (top view)
HC292
HC7292
HC294
HC7294
HC292
HC7292
HC294
HC7294
October 1993
1/14
M54/M74HC292/7292/294/7294
INPUT AND OUTPUT EQUIVALENT CIRCUIT
(TOTEM POLE OUTPUT)
INPUT AND OUTPUT EQUIVALENT CIRCUIT
(OPEN DRAIN OUTPUT, HC292/294)
PIN DESCRIPTION (HC292/7292)
PIN DESCRIPTION (HC294/7294)
PIN No
SYMBOL
NAME AND FUNCTION
PIN No
SYMBOL
NAME AND FUNCTION
4, 5
CLK1,
CLK2
input Clock
4, 5
CLK1,
CLK2
input Clock
1, 2, 10,
14, 15
A to E
Program Inputs
1, 2, 14, 15
A to D
TP1
CLR
Q
Program Inputs
Test Point Output
Clear (Active LOW)
Output
3
11
7
3, 6, 13
TP1, TP2, Test Point Outputs
TP3
11
7
CLR
Q
Clear (Active LOW)
Output
8
GND
VCC
Ground (0V)
16
Positive Supply Voltage
8
GND
VCC
Ground (0V)
16
Positive Supply Voltage
IEC LOGIC SYMBOLS
HC292/HC7292
HC294/HC7294
TRUTH TABLE
CLEAR
CLOCK1
CLOCK2
Q OUTPUT MODE
CLEARED TO L
UP COUNT
L
X
X
L
H
H
H
H
L
H
X
X
H
NO CHANGE
2/14
M54/M74HC292/7292/294/7294
LOGIC DIAGRAM (HC292/7292)
3/14
M54/M74HC292/7292/294/7294
LOGIC DIAGRAM (HC294/7294)
4/14
M54/M74HC292/7292/294/7294
FUNCTION TABLE (HC292/7292)
PROGRAMMING
FREQUENCY DIVISION
TP1 TP2
DECIMAL BINARY DECIMAL BINARY
INPUTS
Q
TP3
DECIMAL
E
L
D
L
C
L
B
L
A
L
BINARY DECIMAL
BINARY
Inhibit
Inhibit
22
Inhibit
Inhibit
Inhibit
Inhibit
Inhibit
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
Inhibit
Inhibit
Inhibit
Inhibit
Inhibit
224
224
224
224
224
224
22
Inhibit
Inhibit
L
L
L
L
H
L
Inhibit
Inhibit
L
L
L
H
H
L
4
29
217
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
16,777,216
16,777,216
16,777,216
16,777,216
16,777,216
16,777,216
4
L
L
L
H
L
23
8
29
217
L
L
H
H
H
H
L
24
16
29
217
L
L
L
H
L
25
32
29
217
L
L
H
H
L
26
64
29
217
L
L
H
L
27
128
29
217
L
H
H
H
H
H
H
H
H
L
28
256
29
217
L
L
L
H
L
29
512
29
217
22
4
L
L
H
H
L
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
1,024
29
217
24
16
L
L
H
L
2,048
29
217
24
16
L
H
H
H
H
L
4,096
29
217
26
64
L
L
H
L
8,192
29
217
26
64
L
H
H
L
16,384
29
Disabled Low
28
256
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
32,768
29
Disabled Low
28
256
65,536
29
23
8
8
210
210
212
212
214
214
216
216
218
218
220
220
222
222
224
224
1,024
L
L
L
H
L
131,072
262,144
524,288
1,048,576
2,097,152
4,194,304
8,388,608
16,777,216
33,554,432
67,108,864
134,217,728
268,435,456
536,870,912
1,073,741,824
2,147,483,648
29
23
1,024
L
L
H
H
L
29
25
32
4,096
L
L
H
L
29
25
32
4,096
L
H
H
H
H
L
29
27
128
16,384
16,384
65,536
65,536
262,144
262,144
1,048,576
1,048,576
4,194,304
4,194,304
16,777,216
16,777,216
L
L
H
L
29
27
128
L
H
H
L
Disabled Low
29
512
L
H
L
Disabled Low
29
512
H
H
H
H
H
H
H
H
23
23
25
25
27
27
29
29
8
8
211
211
213
213
215
215
217
217
2,048
2,048
8,192
8,192
32,768
32,768
131,072
131,072
L
L
H
L
L
H
H
L
32
L
H
L
32
H
H
H
H
128
128
512
512
L
H
L
H
H
H
5/14
M54/M74HC292/7292/294/7294
FUNCTION TABLE (HC294/7294)
PROGRAMMING
INPUTS
FREQUENCY DIVISION
Q
TP
D
L
C
L
B
L
A
L
BINARY
Inhibit
Inhibit
22
DECIMAL
Inhibit
Inhibit
4
BINARY
DECIMAL
Inhibit
Inhibit
512
Inhibit
L
L
L
H
L
Inhibit
L
L
H
H
L
29
L
L
H
L
23
8
29
512
L
H
H
H
H
L
24
16
29
512
L
L
H
L
25
32
29
512
L
H
H
L
26
64
29
512
L
H
L
27
128
Disabled Low
H
H
H
H
H
H
H
H
28
256
22
23
24
25
26
27
28
29
4
8
L
L
H
L
29
512
L
H
H
L
210
211
212
213
214
215
1,024
2,048
4,096
8,192
16,384
32,768
16
L
H
L
32
H
H
H
H
64
L
H
L
128
256
512
H
H
H
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
VI
Parameter
Value
Unit
V
Supply Voltage
-0.5 to +7
DC Input Voltage
-0.5 to VCC + 0.5
-0.5 to VCC + 0.5
± 20
V
VO
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
V
IIK
mA
mA
mA
mA
mW
oC
IOK
± 20
IO
DC Output Source Sink Current Per Output Pin
± 25
ICC or IGND DC VCC or Ground Current
± 50
PD
Tstg
TL
Power Dissipation
500 (*)
Storage Temperature
Lead Temperature (10 sec)
-65 to +150
300
oC
Absolute Maximum Ratingsarethose values beyond whichdamage tothe devicemayoccur. Functional operation under theseconditions is not implied.
(*) 500 mW: 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VI
Parameter
Value
2 to 6
Unit
V
Supply Voltage
Input Voltage
0 to VCC
0 to VCC
V
VO
Output Voltage
V
Top
Operating Temperature:
M54HC Series
M74HC Series
-55 to +125
-40 to +85
oC
oC
tr, tf
Input Rise and Fall Time
VCC = 2 V
VCC = 4.5 V
VCC = 6 V
0 to 1000
0 to 500
0 to 400
ns
6/14
M54/M74HC292/7292/294/7294
DC SPECIFICATIONS
Test Conditions
VCC
Value
TA = 25 oC
54HC and 74HC
-40 to 85 oC -55 to 125 oC
Symbol
Parameter
Unit
74HC
54HC
(V)
Min. Typ. Max. Min. Max. Min. Max.
VIH
High Level Input
Voltage
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
1.5
3.15
4.2
1.5
3.15
4.2
1.5
3.15
4.2
V
V
VIL
Low Level Input
Voltage
0.5
1.35
1.8
0.5
1.35
1.8
0.5
1.35
1.8
VOH
High Level
Output Voltage
(Q)
1.9
4.4
5.9
2.0
4.5
6.0
1.9
4.4
1.9
4.4
VI =
VIH
or
IO=-20 µA
V
V
V
V
5.9
5.9
VIL
IO=-4.0 mA 4.18 4.31
4.13
5.63
1.9
4.10
5.60
1.9
IO=-5.2 mA 5.68
1.9
5.8
2.0
4.5
6.0
VOH
VOL
VOL
High Level
VI =
VIH
or
Output Voltage
(TP) (for HC7292
HC7294 only)
IO=-20 µA
4.4
4.4
4.4
5.9
5.9
5.9
VIL
IO=-1.0 mA 4.18 4.31
4.13
5.63
4.10
5.60
IO=-1.3 mA 5.68
5.8
0.0
0.0
0.0
Low Level Output 2.0
Voltage
(Q)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
VI =
VIH
or
IO= 20 µA
4.5
6.0
0.1
0.1
VIL
4.5
6.0
IO= 4.0 mA
IO= 5.2 mA
0.17 0.26
0.18 0.26
0.33
0.33
0.1
0.40
0.40
0.1
Low Level Output 2.0
Voltage
(TP)
6.0
0.0
0.0
0.0
0.1
0.1
0.1
VI =
VIH
or
IO= 20 µA
4.5
0.1
0.1
0.1
0.1
VIL
4.5
6.0
IO= 1.0 mA
IO= 1.3 mA
0.17 0.26
0.18 0.26
±0.1
0.33
0.33
±1
0.40
0.40
±1
II
Input Leakage
6.0
VI = VCC or GND
µA
µA
Current
ICC
Quiescent Supply 6.0 VI = VCC or GND
Current
4
40
80
7/14
M54/M74HC292/7292/294/7294
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Test Conditions
Value
TA = 25 oC
54HC and 74HC
-40 to 85 oC -55 to 125 oC
Symbol
Parameter
Unit
VCC
(V)
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH
tTHL
Output Transition
Time
(Q)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
30
8
75
15
95
19
110
22
ns
ns
7
13
16
19
tTLH
tTHL
Output Transition
Time
(TP)
116
29
25
160
46
39
145
43
37
130
42
36
110
34
29
21
64
75
20
64
75
40
8
225
45
280
56
340
68
38
48
57
tPLH
tPHL
Propagation
Delay Time
(CK - Q)
350
70
440
88
ns
for HC292/7292
for HC294/7294
for HC292/7292
for HC294/7294
for HC292/7292
for HC294/7294
105
90
60
75
tPLH
tPHL
Propagation
Delay Time
(CK - Q)
330
66
415
83
ns
ns
15
84
56
71
tPHL
tPHL
fMAX
fMAX
Propagation
Delay Time
(CLR - Q)
320
64
400
80
210
100
81
54
68
Propagation
Delay Time
(CLR - Q)
260
52
325
65
390
78
ns
44
55
66
Maximum Clock
Frequency
5.0
27
32
6.0
32
38
4
3.4
18
21
4
MHz
MHz
ns
22
26
5
Maximum Clock
Frequency
26
31
21
25
tW(H)
tW(L)
Minimum Pulse
Width
(CLOCK)
75
15
13
125
25
21
100
20
17
5
95
19
16
155
31
26
125
25
21
5
110
22
20
190
38
32
150
30
26
5
7
tW(L)
tW(L)
tREM
tREM
CIN
Minimum Pulse
Width
(CLEAR)
48
12
10
40
10
9
for HC292/7292
for HC294/7294
for HC292/7292
for HC294/7294
ns
Minimum Pulse
Width
(CLEAR)
ns
Minimum
Removal Time
ns
5
5
5
5
5
5
Minimum
Removal Time
0
0
0
ns
0
0
0
0
0
0
Input Capacitance
5
10
10
pF
pF
CPD (*) Power Dissipation
Capacitance
for HC292/7292
for HC294/7294
21
23
(*) CPD isdefined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the followingequation. ICC(opr) = CPD • VCC • fIN + ICC
8/14
M54/M74HC292/7292/294/7294
SWITCHING CHARACTERISTICS TEST WAVEFORM
TEST CIRCUIT ICC (Opr.)
HC292/HC7292
HC294/HC7294
INPUT TRANSITIONTIME IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICSTEST.
9/14
M54/M74HC292/7292/294/7294
Plastic DIP16 (0.25) MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
0.51
0.77
TYP.
MAX.
MIN.
0.020
0.030
MAX.
a1
B
b
1.65
0.065
0.5
0.020
0.010
b1
D
E
e
0.25
20
0.787
8.5
2.54
17.78
0.335
0.100
0.700
e3
F
7.1
5.1
0.280
0.201
I
L
3.3
0.130
Z
1.27
0.050
P001C
10/14
M54/M74HC292/7292/294/7294
Ceramic DIP16/1 MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
TYP.
MAX.
20
MIN.
MAX.
0.787
0.276
A
B
7
D
E
3.3
0.130
0.700
0.38
0.015
e3
F
17.78
2.29
0.4
2.79
0.55
1.52
0.31
1.27
10.3
8.05
5.08
0.090
0.016
0.046
0.009
0.020
0.110
0.022
0.060
0.012
0.050
0.406
0.317
0.200
G
H
L
1.17
0.22
0.51
M
N
P
7.8
0.307
Q
P053D
11/14
M54/M74HC292/7292/294/7294
SO16 (Narrow) MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
TYP.
MAX.
1.75
0.2
MIN.
MAX.
0.068
0.007
0.064
0.018
0.010
A
a1
a2
b
0.1
0.004
1.65
0.46
0.25
0.35
0.19
0.013
0.007
b1
C
0.5
0.019
c1
D
45° (typ.)
9.8
5.8
10
0.385
0.228
0.393
0.244
E
6.2
e
1.27
8.89
0.050
0.350
e3
F
3.8
4.6
0.5
4.0
5.3
0.149
0.181
0.019
0.157
0.208
0.050
0.024
G
L
1.27
0.62
M
S
8° (max.)
P013H
12/14
M54/M74HC292/7292/294/7294
PLCC20 MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
9.78
8.89
4.2
TYP.
MAX.
10.03
9.04
MIN.
0.385
0.350
0.165
MAX.
0.395
0.356
0.180
A
B
D
4.57
d1
d2
E
2.54
0.56
0.100
0.022
7.37
8.38
0.290
0.330
0.004
e
1.27
5.08
0.38
0.050
0.200
0.015
e3
F
G
0.101
M
M1
1.27
1.14
0.050
0.045
P027A
13/14
M54/M74HC292/7292/294/7294
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specificationsmentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronicsproductsare notauthorized foruse ascritical componentsin life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
1994 SGS-THOMSON Microelectronics - All Rights Reserved
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14/14
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