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參數資料
| 型號： | DM74LS85ASJ |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs |
| 中文描述： | 雙上升沿觸發D觸發器的預設，明確和互補輸出 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 58K |
| 代理商： | DM74LS85ASJ |
2000 Fairchild Semiconductor Corporation
DS006379
www.fairchildsemi.com
August 1986
Revised March 2000
D
DM74LS85
4-Bit Magnitude Comparator
General Description
These 4-bit magnitude comparators perform comparison of
straight binary or BCD codes. Three fully-decoded deci-
sions about two, 4-bit words (A, B) are made and are exter-
nally available at three outputs. These devices are fully
expandable to any number of bits without external gates.
Words of greater length may be compared by connecting
comparators in cascade. The A
>
B, A
<
B, and A
=
B out-
puts of a stage handling less-significant bits are connected
to the corresponding inputs of the next stage handling
more-significant bits. The stage handling the least-
significant bits must have a high-level voltage applied to
the A
=
B input. The cascading path is implemented with
only a two-gate-level delay to reduce overall comparison
times for long words.
Features
I
Typical power dissipation 52 mW
I
Typical delay (4-bit words) 24 ns
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Order Number
DM74LS85M
DM74LS85N
Package Number
M16A
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
相關PDF資料 |
PDF描述 |
|---|---|
| DM74LS85M | 4-Bit Magnitude Comparator |
| DM74LS85N | 4-Bit Magnitude Comparator |
| DM74LS86 | Quad 2-Input Exclusive-OR Gate(四2輸入異或門) |
| DM74LS86MX | Quad 2-input Exclusive OR (XOR) Gate |
| DM74LS86M | Quad 2-Input Exclusive-OR Gate |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74LS85M | 功能描述:校驗器 IC 4-Bit Magnitude Comp RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| DM74LS85MX | 功能描述:校驗器 IC 4-Bit Magnitude Comp RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| DM74LS85N | 功能描述:校驗器 IC 4-Bit Magnitude Comp RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| DM74LS85N/A+ | 制造商:Texas Instruments 功能描述: |
| DM74LS86 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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