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參數資料
| 型號： | DM74LS374 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 3-STATE Octal D-Type Edge-Triggered Flip-Flops(三態輸出的八D邊緣觸發器) |
| 中文描述： | 三態八路D型邊沿觸發觸發器（三態輸出的八?邊緣觸發器） |
| 文件頁數： | 1/8頁 |
| 文件大小： | 88K |
| 代理商： | DM74LS374 |
2000 Fairchild Semiconductor Corporation
DS006431
www.fairchildsemi.com
April 1986
Revised March 2000
D
DM74LS373 DM74LS374
3-STATE Octal D-Type Transparent Latches
and Edge-Triggered Flip-Flops
General Description
These 8-bit registers feature totem-pole 3-STATE outputs
designed specifically for driving highly-capacitive or rela-
tively low-impedance loads. The high-impedance state and
increased high-logic level drive provide these registers with
the capability of being connected directly to and driving the
bus lines in a bus-organized system without need for inter-
face or pull-up components. They are particularly attractive
for implementing buffer registers, I/O ports, bidirectional
bus drivers, and working registers.
The eight latches of the DM74LS373 are transparent D-
type latches meaning that while the enable (G) is HIGH the
Q outputs will follow the data (D) inputs. When the enable
is taken LOW the output will be latched at the level of the
data that was set up.
The eight flip-flops of the DM74LS374 are edge-triggered
D-type flip flops. On the positive transition of the clock, the
Q outputs will be set to the logic states that were set up at
the D inputs.
A buffered output control input can be used to place the
eight outputs in either a normal logic state (HIGH or LOW
logic levels) or a high-impedance state. In the high-imped-
ance state the outputs neither load nor drive the bus lines
significantly.
The output control does not affect the internal operation of
the latches or flip-flops. That is, the old data can be
retained or new data can be entered even while the outputs
are OFF.
Features
I
Choice of 8 latches or 8 D-type flip-flops in a single
package
I
3-STATE bus-driving outputs
I
Full parallel-access for loading
I
Buffered control inputs
I
P-N-P inputs reduce D-C loading on data lines
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Order Number
DM74LS373WM
DM74LS373SJ
DM74LS373N
DM74LS374WM
DM74LS374SJ
IDM29901NC
Package Number
M20B
M20D
N20A
M20B
M20D
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
相關PDF資料 |
PDF描述 |
|---|---|
| DM74LS373N | 3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops |
| DM74LS373SJ | 3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops |
| DM74LS373WM | 3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops |
| DM74LS374SJ | 3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops |
| DM74LS374WM | 3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74LS374N | 功能描述:觸發器 Oct D-Typ Lth F/F RoHS:否 制造商:Texas Instruments 電路數量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| DM74LS374SJ | 功能描述:觸發器 Oct D-Typ Lth F/F RoHS:否 制造商:Texas Instruments 電路數量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| DM74LS374SJX | 功能描述:觸發器 Oct D-Typ Lth F/F RoHS:否 制造商:Texas Instruments 電路數量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| DM74LS374WM | 功能描述:觸發器 Oct D-Typ Lth F/F RoHS:否 制造商:Texas Instruments 電路數量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| DM74LS374WMX | 功能描述:觸發器 Oct D-Typ Lth F/F RoHS:否 制造商:Texas Instruments 電路數量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
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