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Número de pieza | M74HC161 | |
Descripción | SYNCHRONOUS PRESETTABLE 4-BIT COUNTER | |
Fabricantes | ST Microelectronics | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de M74HC161 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
No Preview Available ! M74HC161
SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
s HIGH SPEED :
fMAX = 62 MHz (TYP.) at VCC = 6V
s LOW POWER DISSIPATION:
ICC =4µA(MAX.) at TA=25°C
s HIGH NOISE IMMUNITY:
)VNIH = VNIL = 28 % VCC (MIN.)
t(ss SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
ucs BALANCED PROPAGATION DELAYS:
dtPLH ≅ tPHL
ros WIDE OPERATING VOLTAGE RANGE:
PVCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
te74 SERIES 161
oleDESCRIPTION
sThe M74HC161 is an high speed CMOS
bSYNCHRONOUS
4-BIT
BINARY
OPRESETTABLE COUNTER fabricated with silicon
-gate C2MOS technology.
t(s)The CLOCK input is active on the rising edge.
Both LOAD and CLEAR inputs are active LOW.
cPresetting is synchronous on the rising edge of
uthe clock, the function is cleared asynchronously.
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
TSSOP
M74HC161B1R
M74HC161M1R
T&R
M74HC161RM13TR
M74HC161TTR
Two enable inputs (TE and PE) and CARRY
output are provided to enable easy cascading of
counters, which facilities easy implementation of
N-bit counters without using external gates.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
Obsolete ProdPIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
1/12
1 page M74HC161
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
tTLH tTHL Output Transition
Time
2.0
4.5
25 75
7 15
95 110
19 22 ns
6.0 6 13 16 19
tPLH tPHL Propagation Delay
Time
2.0
4.5
48 125 155 190
16 25 31 38 ns
(CLOCK - Q)
)tPLH tPHL Propagation Delay
Time
t(s(CLOCK - CARRY)
uctPLH tPHL Propagation Delay
Time
rod(TE - CARRY)
PtPLH Propagation Delay
Time
te(CLEAR - Q)
letPHL Propagation Delay
oTime
bs(CLEAR - CARRY)
OfMAX Maximum Clock
-Frequency
t(s)tW(H)
ctW(L)
Minimum Pulse
Width (CLOCK)
rodutW(L) Minimum Pulse
Width (CLEAR)
te Pts Minimum Set-up
Time
ole(LOAD, PE, TE)
sts Minimum Set-up
Ob Time
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
14 21 26 32
57 150 190 225
19 30 38 45 ns
16 26 32 38
39 100 125 150
13 20 25 30 ns
11 17 21 26
60 150 190 225
20 30 38 45 ns
17 26 32 38
72 200 250 300
24 40 50 60 ns
20 34 43 51
6.2 18 5 4.2
31 53 25 21 MHz
37 62 30 25
18 75
95 110
6 15 19 22 ns
6 13 16 19
24 75
95 110
7 15 19 22 ns
6 13 16 19
40 100 125 150
10 20 25 30 ns
8 17 21 26
20 75
95 110
5 15 19 22 ns
(A, B, C, D)
6.0
3 13 16 19
th Minimum Hold
Time
2.0
4.5
000
0 0 0 ns
(A, B - CLOCK)
6.0
000
tREM Minimum Removal 2.0
Time
4.5
18 50 65 75
4 10 13 15 ns
6.0
39
11 13
5/12
5 Page M74HC161
TSSOP16 MECHANICAL DATA
DIM.
MIN.
mm.
TYP
MAX.
MIN.
inch
TYP.
MAX.
A 1.2 0.047
A1 0.05
0.15
0.002
0.004
0.006
A2 0.8
1
1.05
0.031
0.039
0.041
)b 0.19
0.30 0.007
0.012
t(sc 0.09
0.20 0.004
0.0089
ducD
4.9
5
5.1
0.193
0.197
0.201
roE
6.2
6.4
6.6
0.244
0.252
0.260
te PE1
4.3
4.4
4.48
0.169
0.173
0.176
lee 0.65 BSC
0.0256 BSC
bsoK 0°
8° 0°
8°
- OL
0.45
0.60
0.75
0.018
0.024
0.030
roduct(s)A A2
te PA1 b
e
Obsole D
KL
cE
PIN 1 IDENTIFICATION
1
E1
0080338D
11/12
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet M74HC161.PDF ] |
Número de pieza | Descripción | Fabricantes |
M74HC160 | SYNCHRONOUS PRESETTABLE 4-BIT COUNTER | ST Microelectronics |
M74HC161 | SYNCHRONOUS PRESETTABLE 4-BIT COUNTER | ST Microelectronics |
M74HC162 | SYNCHRONOUS PRESETTABLE 4-BIT COUNTER | ST Microelectronics |
M74HC163 | SYNCHRONOUS PRESETTABLE 4-BIT COUNTER | ST Microelectronics |
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