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参数资料
| 型号： | SN74BCT29825DWG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | BCT/FBT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO24 |
| 文件页数： | 1/7页 |
| 文件大小： | 99K |
| 代理商： | SN74BCT29825DWG4 |
SN54BCT29825, SN74BCT29825
8BIT BUSINTERFACE FLIPFLOPS
WITH 3STATE OUTPUTS
SCBS075A SEPTEMBER 1991 REVISED NOVEMBER 1993
Copyright
1993, Texas Instruments Incorporated
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
State-of-the-Art BiCMOS Design
Significantly Reduces ICCZ
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015; Exceeds
200 V Using Machine Model (C = 200 pF,
R = 0)
3-State Buffer-Type Outputs Drive Bus
Lines Directly
Package Options Include Plastic
Small-Outline Packages (DW), Ceramic Chip
Carriers (FK) and Flatpacks (W), and
Standard Plastic and Ceramic 300-mil DIPs
(JT, NT)
description
These 8-bit bus-interface flip-flops feature 3-state
outputs designed specifically for driving highly
capacitive or relatively low-impedance loads.
They are particularly suitable for implementing
wider buffer registers, I/O ports, bidirectional bus
drivers with parity, and working registers.
The eight flip-flops are edge-triggered D-type
flip-flops. With the clock-enable (CLKEN) input
low, the device enters data on the low-to-high
transition of the clock. Taking CLKEN high
disables the clock buffer, thus latching the outputs.
Taking the clear (CLR) input low causes the eight
Q outputs to go low independently of the clock.
Buffered output-enable (OE1, OE2, or OE3)
inputs can be used to place the eight outputs in
either a normal logic state (high or low) or a
high-impedance state. In the high-impedance
state, the outputs neither load nor drive the bus
lines significantly. The high-impedance state and
increased drive provide the capability to drive bus
lines without need for interface or pullup
components.
The output-enable inputs do not affect the internal
operation of the flip-flops. Old data can be retained
or new data can be entered while the outputs are
in the high-impedance state.
The SN54BCT29825 is characterized for opera-
tion over the full military temperature range of
55
°C to 125°C. The SN74BCT29825 is
characterized for operation from 0
°C to 70°C.
1
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5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
OE1
OE2
1D
2D
3D
4D
5D
6D
7D
8D
CLR
GND
VCC
OE3
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
CLKEN
CLK
SN54BCT29825 . . . JT OR W PACKAGE
SN74BCT29825 . . . DW OR NT PACKAGE
(TOP VIEW)
3 2
28 27
12 13
5
6
7
8
9
10
11
25
24
23
22
21
20
19
2Q
3Q
4Q
NC
5Q
6Q
7Q
2D
3D
4D
NC
5D
6D
7D
426
14 15 16 17 18
8D
CLR
GND
NC
CLK
CLKEN
8Q
1D
OE2
OE1
NC
V
1Q
SN54BCT29825 . . . FK PACKAGE
(TOP VIEW)
NC No internal connection
OE3
CC
1
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
testing of all parameters.
相关PDF资料 |
PDF描述 |
|---|---|
| SN74BCT29826NT | BCT/FBT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDIP24 |
| SN74BCT29827ANT-10 | BCT/FBT SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDIP24 |
| SN74BCT29828ANT-10 | BCT/FBT SERIES, 10-BIT DRIVER, INVERTED OUTPUT, PDIP24 |
| SN74BCT29828ADW | BCT/FBT SERIES, 10-BIT DRIVER, INVERTED OUTPUT, PDSO24 |
| SN74BCT29833NT-10 | BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74BCT29825DWR | 功能描述:触发器 Octal Bus Interface F-F W/3-State Otpt RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| SN74BCT29825DWRE4 | 功能描述:触发器 Prog PCM w/Microphn Amps & Speaker Drvr RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| SN74BCT29825DWRG4 | 功能描述:触发器 OctalBus Interface FlipFlop RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| SN74BCT29825NT | 功能描述:触发器 Octal Bus Interface F-F W/3-State Otpt RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| SN74BCT29825NTE4 | 功能描述:触发器 Octal Bus Interface F-F W/3-State Otpt RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
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