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CD74HC534 Datasheet(Fiches technique) 1 Page - Texas Instruments

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Numéro de pièce CD74HC534
Description  High Speed CMOS Logic Octal D-Type Flip-Flop, Three-State Inverting Positive-Edge Triggered
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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Data sheet acquired from Harris Semiconductor
SCHS188
Features
• Buffered Inputs
• Common Three-State Output-Enable Control
• Three-State Outputs
• Bus Line Driving Capability
• Typical Propagation Delay = 13ns at VCC = 5V,
CL = 15pF, TA = 25
oC (Clock to Output)
• Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH
Description
The Harris CD74HC534, CD74HCT534, CD74HC564 and
CD74HCT564 are high speed Octal D-Type Flip-Flops manu-
factured with silicon gate CMOS technology. They possess
the low power consumption of standard CMOS integrated cir-
cuits, as well as the ability to drive 15 LSTTL loads. Due to the
large output drive capability and the three-state feature, these
devices are ideally suited for interfacing with bus lines in a bus
organized system. The two types are functionally identical and
differ only in their pinout arrangements.
The
CD74HC534,
CD74HCT534,
CD74HC564
and
CD74HCT564 are positive edge triggered flip-flops. Data at
the D inputs, meeting the setup and hold time requirements,
are inverted and transferred to the Q outputs on the positive
going transition of the CLOCK input. When a high logic level is
applied to the OUTPUT ENABLE input, all outputs go to a
high impedance state, regardless of what signals are present
at the other inputs and the state of the storage elements.
The CD74HCT logic family is speed, function, and pin
compatible with the standard 74LS logic family.
Ordering Information
PART NUMBER
TEMP. RANGE (oC)
PACKAGE
PKG.
NO.
CD74HC534E
-55 to 125
20 Ld PDIP
E20.3
CD74HCT534E
-55 to 125
20 Ld PDIP
E20.3
CD74HC564E
-55 to 125
20 Ld PDIP
E20.3
CD74HCT564E
-55 to 125
20 Ld PDIP
E20.3
CD74HC564M
-55 to 125
20 Ld SOIC
M20.3
CD74HCT564M
-55 to 125
20 Ld SOIC
M20.3
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. Wafer and die for this part number is available which meets all
electrical specifications. Please contact your local sales office or
Harris customer service for ordering information.
Pinouts
CD74HC534, CD74HCT534
(PDIP)
TOP VIEW
CD74HC564, CD74HCT564
(PDIP, SOIC)
TOP VIEW
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
OE
Q0
D0
D1
Q1
Q2
D3
D2
Q3
GND
VCC
D7
D6
Q6
Q7
Q5
D5
D4
Q4
CP
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
OE
D0
D1
D2
D3
D4
D6
D5
D7
GND
VCC
Q1
Q2
Q3
Q0
Q4
Q5
Q6
Q7
CP
January 1998
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© Harris Corporation 1998
File Number
1640.1
CD74HC534, CD74HCT534,
CD74HC564, CD74HCT564
High Speed CMOS Logic Octal D-Type Flip-Flop,
Three-State Inverting Positive-Edge Triggered
[ /Title
(CD74
HC534
,
CD74
HCT53
4,
CD74
HC564
,
CD74
HCT56




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