MC74ACT534 Datasheet PDF - Motorola


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MC74ACT534
Motorola

Part Number MC74ACT534
Description OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS
Page 7 Pages

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MC74AC534
MC74ACT534
Octal DĆType FlipĆFlop
With 3ĆState Outputs
The MC74AC534/74ACT534 is a high-speed, low-power octal D-type flip-flop
featuring separate D-type inputs for each flip-flop and 3-state outputs for bus
oriented applications. A buffered Clock (CP) and Output Enable (OE) are common
to all flip flops. The AC/ACT534 is the same as the AC/ACT374 except that the
outputs are inverted.
Edge-Triggered D-Type Inputs
Buffered Positive Edge-Triggered Clock
3-State Outputs for Bus Oriented Applications
VCC O7 D7 D6 O6 O5 D5 D4 O4 CP
20 19 18 17 16 15 14 13 12 11
OCTAL D-TYPE
FLIP-FLOP WITH
3-STATE OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
1 2 3 4 5 6 7 8 9 10
OE O0 D0 D1 O1 O2 D2 D3 O3 GND
PIN NAMES
D0–D7
CP
OE
O0–O7
Data Inputs
Clock Pulse Input
3-State Output Enable Input
Complementary 3-State Outputs
DW SUFFIX
CASE 751D-04
PLASTIC
LOGIC SYMBOL
3 4 7 8 13 14 17 18
D0 D1 D2 D3 D4 D5 D6 D7
11 CP
1 OE
O0 O1 O2 O3 O4 O5 O6 O7
2 5 6 9 12 15 16 19
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MC74AC534 MC74ACT534
FUNCTIONAL DESCRIPTION
The MC74AC534/74ACT534 consists of eight edge-triggered
flip-flops with individual D-type inputs and 3-state true outputs.
The buffered clock and buffered Output Enable are common
to all flip-flops. The eight flip-flops will store the state of their
individual D inputs that meet the setup and hold times
requirements on the LOW-to-HIGH Clock (CP) transition. With
the Output Enable (OE) LOW, the contents of the eight
flip-flops are available at the outputs. When the OE is HIGH,
the outputs go to the high impedance state. Operation of the
OE input does not affect the state of the flip-flops.
LOGIC DIAGRAM
D0 D1 D2 D3 D4 D5 D6 D7
CP
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
OE
O0 O1 O2 O3 O4 O5
Please note that this diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation delays.
O6
O7
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VCC
Vin
Vout
Iin
Iout
ICC
Tstg
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
DC Output Sink/Source Current, per Pin
DC VCC or GND Current per Output Pin
Storage Temperature
–0.5 to +7.0
–0.5 to VCC +0.5
–0.5 to VCC +0.5
±20
±50
±50
–65 to +150
V
V
V
mA
mA
mA
°C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended
Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Typ
VCC
Supply Voltage
AC
ACT
2.0 5.0
4.5 5.0
Vin, Vout
tr, tf
DC Input Voltage, Output Voltage (Ref. to GND)
Input Rise and Fall Time (Note 1)
AC Devices except Schmitt Inputs
Input Rise and Fall Time (Note 2)
tr, tf ACT Devices except Schmitt Inputs
TJ Junction Temperature (PDIP)
TA Operating Ambient Temperature Range
IOH Output Current — High
IOL Output Current — Low
VCC @ 3.0 V
VCC @ 4.5 V
VCC @ 5.5 V
VCC @ 4.5 V
VCC @ 5.5 V
0
–40
150
40
25
10
8.0
25
1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
Max
6.0
5.5
VCC
140
85
–24
24
Unit
V
V
ns/V
ns/V
°C
°C
mA
mA
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MC74AC534 MC74ACT534
DC CHARACTERISTICS
Symbol
Parameter
VIH
VIL
VOH
Minimum High Level
Input Voltage
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
VCC
(V)
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
74AC
74AC
TA = +25°C
TA =
–40°C to +85°C
Typ Guaranteed Limits
1.5 2.1
2.25 3.15
2.75 3.85
2.1
3.15
3.85
1.5 0.9
2.25 1.35
2.75 1.65
0.9
1.35
1.65
2.99 2.9
4.49 4.4
5.49 5.4
2.9
4.4
5.4
VOL
Maximum Low Level
Output Voltage
3.0 2.56
4.5 3.86
5.5 4.86
3.0 0.002 0.1
4.5 0.001 0.1
5.5 0.001 0.1
2.46
3.76
4.76
0.1
0.1
0.1
IIN Maximum Input
Leakage Current
3.0 0.36 0.44
4.5 0.36 0.44
5.5 0.36 0.44
5.5 ±0.1 ±1.0
IOZ Maximum
3-State
Current
5.5 ±0.5 ±5.0
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5 75
5.5 –75
5.5 8.0 80
* All outputs loaded; thresholds on input associated with output under test.
† Maximum test duration 2.0 ms, one output loaded at a time.
Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Unit
V
V
V
V
V
V
µA
µA
mA
mA
µA
Conditions
VOUT = 0.1 V
or VCC – 0.1 V
VOUT = 0.1 V
or VCC – 0.1 V
IOUT = –50 µA
*VIN = VIL or VIH
–12 mA
IOH –24 mA
–24 mA
IOUT = 50 µA
*VIN = VIL or VIH
12 mA
IOL 24 mA
24 mA
VI = VCC, GND
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
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MC74AC534 MC74ACT534
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
fmax
Maximum Clock
Frequency
tPLH
Propagation Delay
CP to On
tPHL
Propagation Delay
CP to On
tPZH
Output Enable Time
OE to On
tPZL
Output Enable Time
OE to On
tPHZ
Output Disable Time
OE to On
tPLZ
Output Disable Time
OE to On
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
Min Typ Max
3.3 70
5.0 150
3.3 3.0
5.0 2.5
70
150
14.0
10.5
3.3 3.0
5.0 2.5
3.3 3.0
5.0 2.5
13.0
9.5
12.5
10.0
3.3 3.0
5.0 2.5
3.3 2.0
5.0 1.5
3.3 2.0
5.0 1.5
12.5
10.0
13.5
11.5
12.0
10.0
74AC
TA = –40°C
to +85°C
CL = 50 pF
Min Max
70 70
140 140
2.5 16.0
2.0 12.0
2.5 15.0
2.0 11.0
2.5 14.0
2.0 11.5
2.5 14.0
2.0 11.5
1.5 15.0
1.0 12.5
1.5 13.5
1.0 11.0
Unit
MHz
ns
ns
ns
ns
ns
ns
Fig.
No.
3-3
3-6
3-6
3-7
3-8
3-7
3-8
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Dn to CP
th
Hold Time, HIGH or LOW
Dn to CP
tw
CP Pulse Width
HIGH or LOW
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
74AC
74AC
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ Guaranteed Minimum
3.3 5.0 6.5 ns 3-9
5.0 3.5 4.0
3.3 1.0 1.5 ns 3-9
5.0 1.0 1.5
3.3 5.0 6.5 ns 3-6
5.0 3.5 4.0
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