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CY74FCT574T

更新时间: 2024-09-29 05:18:59
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德州仪器 - TI 输出元件
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12页 313K
描述
8-BIT REGISTERS WITH 3-STATE OUTPUTS

CY74FCT574T 数据手册

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CY54FCT574T, CY74FCT574T  
8-BIT REGISTERS  
WITH 3-STATE OUTPUTS  
SCCS073 – OCTOBER 2001  
CY54FCT574T . . . D PACKAGE  
CY74FCT574T . . . Q OR SO PACKAGE  
(TOP VIEW)  
Function, Pinout, and Drive Compatible  
With FCT and F Logic  
Reduced V  
of Equivalent FCT Functions  
(Typically = 3.3 V) Versions  
OH  
OE  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
D
D
1
D
O
O
O
O
O
O
O
O
Edge-Rate Control Circuitry for  
Significantly Improved Noise  
Characteristics  
0
0
1
2
3
4
5
6
7
2
D
3
D
I
Supports Partial-Power-Down Mode  
off  
Operation  
4
D
D
D
5
6
7
Matched Rise and Fall Times  
Fully Compatible With TTL Input and  
Output Logic Levels  
GND  
CP  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
CY54FCT574T . . . L PACKAGE  
(TOP VIEW)  
– 1000-V Charged-Device Model (C101)  
Edge-Triggered D-Type Inputs  
250-MHz Typical Switching Rate  
3
2
1
20 19  
18  
D
D
D
D
D
O
O
O
O
O
4
5
6
7
8
2
3
4
5
6
1
2
3
4
5
CY54FCT574T  
– 32-mA Output Sink Current  
– 12-mA Output Source Current  
17  
16  
15  
14  
CY74FCT574T  
– 64-mA Output Sink Current  
– 32-mA Output Source Current  
9 10 11 12 13  
3-State Outputs  
description  
The ’FCT574T devices are high-speed, low-power, octal D-type flip-flops, featuring separate D-type inputs for  
each flip-flop. These devices have 3-state outputs for bus-oriented applications. A buffered clock (CP) and  
output-enable (OE) inputs are common to all flip-flops. The ’FCT574T are identical to ’FCT374T, except for a  
flow-through pinout to simplify board design. The eight flip-flops in the ’FCT574T store the state of their  
individual D inputs that meet the setup-time and hold-time requirements on the low-to-high CP transition. When  
OE is low, the contents of the eight flip-flops are available at the outputs. When OE is high, the outputs are in  
the high-impedance state. The state of OE does not affect the state of the flip-flops.  
These devices are fully specified for partial-power-down applications using I . The I circuitry disables the  
off  
off  
outputs, preventing damaging current backflow through the device when it is powered down.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2001, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
unless otherwise noted. On all other products, production  
testing of all parameters.  
processing does not necessarily include testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

CY74FCT574T 替代型号

型号 品牌 替代类型 描述 数据表
CY54FCT574T TI

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