參數(shù)資料
型號(hào)： HEF4585B
廠商： NXP Semiconductors N.V.
英文描述： 4-bit magnitude comparator(4位等值比較器)
中文描述： 4位數(shù)值比較（4位等值比較器）
文件頁數(shù)： 2/6頁
文件大?。?/td> 66K
代理商： HEF4585B
January 1995
2
Philips Semiconductors
Product specification
4-bit magnitude comparator
HEF4585B
MSI
DESCRIPTION
The HEF4585B is a 4-bit magnitude comparator which
compares two 4-bit words (A and B), whether they are ‘less
than’, ‘equal to’, or ‘greater than’. Each word has four
parallel inputs (A
0
to A
3
and B
0
to B
3
); A
3
and B
3
being the
most significant inputs. Three outputs are provided;
A greater than B (O
A > B
), A less than B (O
A < B
) and
A equal to B (O
A = B
). Three expander inputs (I
A > B
,
I
A < B
and I
A = B
) allow cascading of the devices without
external gates.
For proper compare operation the expander inputs to the
least significant position must be connected as follows:
I
A = B
= I
A > B
= HIGH, I
A < B
= LOW. For words greater than
4-bits, units can be cascaded by connecting outputs
O
A < B
and O
A = B
to the corresponding inputs of the next
significant comparator (input I
A > B
is connected to a
HIGH).
Operation is not restricted to binary codes, the devices will
work with any monotonic code. The function table
describes the operation of the device under all possible
logic conditions.
Fig.1 Functional diagram.
PINNING
FAMILY DATA, I
DD
LIMITS category MSI
See Family Specifications
HEF4585BP(N):
HEF4585BD(F):
HEF4585BT(D):
( ): Package Designator North America
16-lead DIL; plastic (SOT38-1)
16-lead DIL; ceramic (cerdip) (SOT74)
16-lead SO; plastic (SOT109-1)
A
0
to A
3
B
0
to B
3
I
A > B
, I
A
<
B
, I
A = B
O
A > B
O
A < B
O
A = B
word A parallel inputs
word B parallel inputs
expander inputs
A greater than B output
A less than B output
A equal to B output
Fig.2 Pinning diagram.
相關(guān)PDF資料
PDF描述
HEF4720B CABLE ASSEMBLY; SMA MALE TO SMA MALE RIGHT ANGLE; 50 OHM, RG188A/U COAX; 36" CABLE LENGTH
HEF4720BD 256-bit, 1-bit per word random access memories
HEF4720BF 256-bit, 1-bit per word random access memories
HEF4720BN 256-bit, 1-bit per word random access memories
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HEF4585BP,652 功能描述:校驗(yàn)器 IC 4-BIT MAGNITUDE RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)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(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
HEF4585BP652 制造商:NXP Semiconductors 功能描述:IC 4BIT MAGNITUDE COMPARATOR DIP-16
HEF4585BPN 功能描述:校驗(yàn)器 IC 4-BIT MAGNITUDE COMPARATOR RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)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(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
HEF4585BT 制造商:NXP Semiconductors 功能描述:Magnitude Comparator 4-Bit 16-Pin SO Bulk
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