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PDF ( 数据手册 , 数据表 ) M74HC299

零件编号 M74HC299
描述 HC323 8BITPIPOSHIFTREGISTERWITHSYNCHRONOUS CLEAR HC299 8BITPIPOSHIFTREGISTERWITHASYNCHRONOUS CLEAR
制造商 ST Microelectronics
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M74HC299 数据手册, 描述, 功能
M54/74HC299
M54/74HC323
HC299 8 BIT PIPO SHIFT REGISTER WITHASYNCHRONOUS CLEAR
HC323 8 BIT PIPO SHIFT REGISTER WITH SYNCHRONOUS CLEAR
. HIGH SPEED
fMAX = 42 MHz (TYP.) AT VCC = 5V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT TA = 25 °C
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. OUTPUT DRIVE CAPABILITY
. 10 LSTTL LOADS FOR QA’ TO QH’
15 LSTTL LOADS FOR QA TO QH
SYMMETRICAL OUTPUT IMPEDANCE
IOH= IOL = 6 mA (MIN.) FOR QA, TO QH,
IOH= IOL = 4 mA (MIN.) FOR QA, TO QH
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS299
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HCXXXF1R M74HCXXXM1R
M74HCXXXB1R M74HCXXXC1R
PIN CONNECTIONS (top view)
DESCRIPTION
The M54/74HC299/323 are high speed CMOS 8-
BIT PIPO SHIFT REGISTERS (3-STATE) fabri-
cated with silicon gate C2MOS technology.
They achieve the high speed operation similar to
equivalent LSTTL while maintaining the CMOS low
power consumption.
These devices have four modes (HOLD, SHIFT
LEFT, SHIFT RIGHT and LOAD DATA). Each mode
is chosen by two function select inputs (S0, S1).
When one or both enable inputs, (G1, G2) are high,
the eight input/output terminals are in the high-
impedance state ; however sequential operation or
clearing of the register is not affected.
Clear function on the HC299 is asynchronous to
CLOCK, while the HC323 is cleared synchronous to
clock.
All inputs are equipped with protection circuits
against static discharge and transient excess volt-
age.
October 1993
NC =
No Internal
Connection
1/15







M74HC299 pdf, 数据表
M54/M74HC299/323
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
tPLH Propagation
tPHL Delay Time
(CK - QA, QH)
tPHL Propagation
Delay Time
(CLR - QA, QH)
tPZL 3 State Output
tPZH Enable Time
tPLZ 3 State Output
tPHZ Disable Time
fMAX Maximum Clock
Frequency
tW(L)
tW(H)
tW(L)
ts
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(CLEAR)
Minimum Set-up
Time (S0, S1)
(SL, SR, A H)
(CLEAR for 323)
Test Conditions
VCC CL
(V) (pF)
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50 for HC323
6.0
2.0
4.5 150 for HC323
6.0
2.0
4.5 50 RL = 1 K
6.0
2.0
4.5 150 RL = 1 K
6.0
2.0
4.5 50 RL = 1 K
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50 for HC299
6.0
2.0
4.5 50
6.0
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
80 160
21 32
17 27
100 200
26 40
21 34
85 190
24 38
18 32
105 230
29 46
22 39
60 130
17 26
13 22
78 170
23 34
17 29
54 150
19 30
16 26
6 12
30 58
35 80
75
15
13
75
15
13
100
20
17
Value
-40 to 85 oC
74HC
Min. Max.
200
40
34
250
50
43
240
48
41
290
58
49
165
33
28
15
43
37
190
38
32
4.8
24
28
95
19
16
95
19
16
125
25
21
-55 to 125 oC
54HC
Min. Max.
240
48
41
300
60
51
285
57
48
345
69
59
195
39
33
255
51
43
225
45
38
4
20
24
110
22
19
110
22
19
150
30
26
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
th Minimum Hold 2.0
Time (S0, S1)
(SL, SR, A H)
(CLEAR for 323)
4.5 50
6.0
000
0 0 0 ns
000
tREM Minimum
Removal Time
(CLEAR)
2.0
4.5 50 for HC299
6.0
50 65 75
10 13 15 ns
9 11 13
CIN Input Capacitance
5 10 10 10 pF
CPD (*) Power Dissipation
Capacitance
170
pF
(*) CPD is defined 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 following equation. ICC(opr) = CPD VCC fIN + ICC
8/15














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