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CD74HC574M 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
触发器
封装:
SOIC-20
描述:
TEXAS INSTRUMENTS CD74HC574M 触发器, 三态非反相, 正沿, D, 15 ns, 60 MHz, 7.8 mA, SOIC, 20 引脚
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CD74HC574M数据手册
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1
Data sheet acquired from Harris Semiconductor
SCHS183C
Features
• Buffered Inputs
• Common Three-State Output Enable Control
• Three-State Outputs
• Bus Line Driving Capability
• Typical Propagation Delay (Clock to Q) = 15ns at
V
CC
= 5V, C
L
= 15pF, T
A
= 25
o
C
• Fanout (Over Temperature Range)
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55
o
C to 125
o
C
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2-V to 6-V Operation
- High Noise Immunity: N
IL
= 30%, N
IH
= 30% of V
CC
at V
CC
= 5V
• HCT Types
- 4.5-V to 5.5-V Operation
- Direct LSTTL Input Logic Compatibility,
V
IL
= 0.8V (Max), V
IH
= 2V (Min)
- CMOS Input Compatibility, I
l
≤ 1µA at V
OL
, V
OH
Description
The ’HC374, ’HCT374, ’HC574, and ’HCT574 are octal D-type
flip-flops with 3-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 3-state outputs and is
independent of the register operation. When
OE is HIGH, the
outputs are 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
(
o
C) PACKAGE
CD54HC374F3A -55 to 125 20 Ld CERDIP
CD54HC574F3A -55 to 125 20 Ld CERDIP
CD54HCT374F3A -55 to 125 20 Ld CERDIP
CD54HCT574F3A -55 to 125 20 Ld CERDIP
CD74HC374E -55 to 125 20 Ld PDIP
CD74HC374M -55 to 125 20 Ld SOIC
CD74HC374M96 -55 to 125 20 Ld SOIC
CD74HC574E -55 to 125 20 Ld PDIP
CD74HC574M -55 to 125 20 Ld SOIC
CD74HC574M96 -55 to 125 20 Ld SOIC
CD74HCT374E -55 to 125 20 Ld PDIP
CD74HCT374M -55 to 125 20 Ld SOIC
CD74HCT374M96 -55 to 125 20 Ld SOIC
CD74HCT574E -55 to 125 20 Ld PDIP
CD74HCT574M -55 to 125 20 Ld SOIC
CD74HCT574M96 -55 to 125 20 Ld SOIC
CD74HCT574PWR -55 to 125 20 Ld TSSOP
NOTE: When ordering, use the entire part number. The suffixes
96 and R denote tape and reel.
February 1998 - Revised May 2004
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© 2004, Texas Instruments Incorporated
CD54/74HC374, CD54/74HCT374,
CD54/74HC574, CD54/74HCT574
High-Speed CMOS Logic Octal D-Type Flip-Flop,
3-State Positive-Edge Triggered
[ /Title
(CD74
HC374
,
C
D74
HCT37
4,
CD74
HC574
,
C
D74
HCT57
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