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MC74AC564 Schematic ( PDF Datasheet ) - Motorola Semiconductors

Teilenummer MC74AC564
Beschreibung OCTAL D-TYPE LATCH WITH 3-STATE OUTPUTS
Hersteller Motorola Semiconductors
Logo Motorola Semiconductors Logo 




Gesamt 8 Seiten
MC74AC564 Datasheet, Funktion
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MC74AC564
MC74ACT564
Octal DĆType Latch
with 3ĆState Outputs
The MC74AC564/74ACT564 is a high-speed, low power octal flip-flop with
a buffered common Clock (CP) and a buffered common Output Enable (OE).
The information presented to the D inputs is stored in the flip-flops on the LOW-to-
HIGH Clock (CP) transition.
The MC74AC564/74ACT564 device is functionally identical to the MC74AC574/
74ACT574, but with inverted outputs.
Inputs and Outputs on Opposite Sides of Package Allowing Easy Interface with
Microprocessors
Useful as Input or Output Port for Microprocessors
Functionally Identical to MC74AC574/74ACT574 but with Inverted Outputs
3-State Outputs for Bus-Oriented Applications
Outputs Source/Sink 24 mA
• ′ACT564 Has TTL Compatible Inputs
VCC O0 O1 O2 O3 O4 O5 O6 O7 CP
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
OE D0 D1 D2 D3 D4 D5 D6 D7 GND
PIN NAMES
D0–D7
CP
OE
O0–O7
Data Inputs
Clock Pulse Input
3-State Output Enable Input
3-State Outputs
OCTAL D-TYPE
LATCH WITH
3-STATE OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
DW SUFFIX
CASE 751D-04
PLASTIC
LOGIC SYMBOL
D0 D1 D2 D3 D4 D5 D6 D7
CP
OE
O0 O1 O2 O3 O4 O5 O6 O7
DataSheet4 U .com
FACT DATA
5-1






MC74AC564 Datasheet, Funktion
www.DataSheet4U.com
MC74AC564 MC74ACT564
DC CHARACTERISTICS
74ACT
74ACT
Symbol
Parameter
VCC
(V)
TA = +25°C
TA =
–40°C to +85°C
Unit
Conditions
Typ Guaranteed Limits
VIH
VIL
VOH
Minimum High Level
Input Voltage
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
4.5 1.5 2.0
5.5 1.5 2.0
4.5 1.5 0.8
5.5 1.5 0.8
4.5 4.49 4.4
5.5 5.49 5.4
2.0
2.0
0.8
0.8
4.4
5.4
V
VOUT = 0.1 V
or VCC – 0.1 V
V
VOUT = 0.1 V
or VCC – 0.1 V
V IOUT = –50 µA
VOL
Maximum Low Level
Output Voltage
4.5 3.86
5.5 4.86
4.5 0.001 0.1
5.5 0.001 0.1
3.76
4.76
0.1
0.1
*VIN = VIL or VIH
V
IOH
–24 mA
–24 mA
V IOUT = 50 µA
IIN Maximum Input
Leakage Current
*VIN = VIL or VIH
4.5
5.5
0.36 0.44
0.36 0.44
V
IOL
24 mA
24 mA
5.5
±0.1 ±1.0
µA VI = VCC, GND
ICCT
IOZ
IOLD
IOHD
ICC
Additional Max. ICC/Input
Maximum
3-State
Current
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5 0.6
5.5 ±0.5
5.5
5.5
5.5 8.0
1.5
±5.0
75
–75
80
mA VI = VCC – 2.1 V
VI (OE) = VIL, VIH
µA VI = VCC, GND
VO = VCC, GND
mA VOLD = 1.65 V Max
mA VOHD = 3.85 V Min
µA VIN = VCC or GND
* All outputs loaded; thresholds on input associated with output under test.
† Maximum test duration 2.0 ms, one output loaded at a time.
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74ACT
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
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
Min Typ Max
5.0 85
5.0 2.0
10.5
5.0 1.5
5.0 1.5
5.0 1.5
5.0 1.5
5.0 1.5
9.5
9.0
8.5
10.5
8.0
74ACT
TA = –40°C
to +85°C
CL = 50 pF
Min Max
75
1.5 11.5
1.5 10.5
1.5 9.5
1.0 9.5
1.5 11.5
1.0 8.5
Unit
MHz
ns
ns
ns
ns
ns
ns
Fig.
No.
3-3
3-6
3-6
3-7
3-8
3-7
3-8
DataSheet4 U .com
FACT DATA
5-6

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