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CD74HC374 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. CD74HC374
Description  High Speed CMOS Logic Octal D-Type Flip-Flop, Three-State Positive-Edge Triggered
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC374 Datasheet(HTML) 1 Page - Texas Instruments

   
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Data sheet acquired from Harris Semiconductor
SCHS183
Features
• Buffered Inputs
• Common Three-State Output Enable Control
• Three-State Outputs
• Bus Line Driving Capability
• Typical Propagation Delay (Clock to Q) = 15ns at
VCC = 5V, CL = 15pF, TA = 25
oC
• 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 CD74HC374, CD74HCT374, CD74HC574 and
CD74HCT574 are Octal D-Type Flip-Flops with Three-State
Outputs and the capability to drive 15 LSTTL loads. The eight
edge-triggered flip-flops enter data into their registers on the
LOW to HIGH transition of clock (CP). The Output Enable
(OE) controls the three-state outputs and is independent of
the register operation. When Output Enable (OE) is HIGH the
outputs will be in the high impedance state. The 374 and 574
are identical in function and differ only in their pinout
arrangements.
Ordering Information
PART NUMBER
TEMP. RANGE (oC)
PACKAGE
PKG.
NO.
CD74HC374E
-55 to 125
20 Ld PDIP
E20.3
CD74HCT374E
-55 to 125
20 Ld PDIP
E20.3
CD74HCT574E
-55 to 125
20 Ld PDIP
E20.3
CD74HC574E
-55 to 125
20 Ld PDIP
E20.3
CD74HC574M
-55 to 125
20 Ld SOIC
M20.3
CD74HC374M
-55 to 125
20 Ld SOIC
M20.3
CD74HCT374M
-55 to 125
20 Ld SOIC
M20.3
CD74HCT574M
-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
CD74HC374, CD74HCT374
(PDIP, SOIC)
TOP VIEW
CD74HCT574
(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
February 1998
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© Harris Corporation 1998
File Number
1663.1
CD74HC374, CD74HCT374,
CD74HC574, CD74HCT574
High Speed CMOS Logic Octal D-Type Flip-Flop,
Three-State Positive-Edge Triggered
[ /Title
(CD74
HC374
,
CD74
HCT37
4,
CD74
HC574
,
CD74
HCT57


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