參數(shù)資料
型號： I74F656AN
廠商： NXP SEMICONDUCTORS
元件分類： 通用總線功能
英文描述： Octal buffer/driver with parity, non-inverting 3-State
中文描述： F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP24
封裝： 0.300 INCH, SLIM, PLASTIC, DIP-24
文件頁數(shù)： 2/12頁
文件大小： 107K
代理商： I74F656AN
Philips Semiconductors
Product specification
74F655A*
74F656A
Buffers/drivers
74F655A Octal buffer/driver with parity, inverting (3-State)
74F656A Octal buffer/driver with parity, non-inverting (3-State)
2
1991 Jul 17
853-0383 03305
* Discontinued part. Please see the Discontinued Products List.
FEATURES
Significantly improved AC performance over 74F655 and 74F656
High impedance NPN base input for reduced loading
(40
μ
A in High and Low states)
Ideal in applications where high output drive and light bus loading
are required (I
IL
is 40
μ
A vs. FAST std of 600
μ
A)
74F655A combines 74F240 and 74F280A functions in one
package
74F656A combines 74F244 and 74F280A functions in one
package
74F655A Inverting
74F656A Non-inverting
3-State outputs sink 64mA and source 15mA
24-pin plastic Slim DIP (300mil) package
Inputs on one side and outputs on the other side simplifies PC
board layout
Combined functions reduce part count and enhance system
performance
Industrial temperature range available (–40
°
C to +85
°
C)
DESCRIPTION
The 74F655A and 74F656A are octal buffers and line drivers with
parity generation/checking designed to be employed as memory
address drivers, clock drivers and bus-oriented
transmitters/receivers. These parts include parity generator/checker
to improve PC board density.
TYPE
TYPICAL
PROPAGATION
DELAY
TYPICAL SUPPLY CURRENT
(TOTAL)
74F655A
6.5ns
64mA
74F656A
6.5ns
64mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
V
CC
= 5V
±
10%,
T
amb
= 0
°
C to +70
°
C
INDUSTRIAL RANGE
V
CC
= 5V
±
10%,
T
amb
= –40
°
C to +85
°
C
PKG DWG #
24-pin Plastic Slim
DIP (300mil)
N74F656AN
I74F656AN
SOT222-1
24-pin Plastic SOL
N74F656AD
I74F656AD
SOT137-1
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F(U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
D0–D7
Data inputs
2.0/0.066
40
μ
A/40
μ
A
PI
Parity input
1.0/0.033
20
μ
A/20
μ
A
OE0, OE1, OE2
Output Enable Inputs (active Low)
1.0/0.033
20
μ
A/20
μ
A
Σ
E,
Σ
O
Parity outputs
750/106.7
15mA/64mA
Q0–Q7
Data outputs (74F655A)
750/106.7
15mA/64mA
Q0–Q7
NOTE:
One (1.0) FAST Unit Load (U.L.) is defined as: 20
μ
A in the High state and 0.6mA in the Low state.
Data outputs (74F656A)
750/106.7
15mA/64mA
相關(guān)PDF資料
PDF描述
I74F657DB Octal transceiver with 8-bit parit generator/checker
I74F657D Octal transceiver with 8-bit parit generator/checker
I74F657N Octal transceiver with 8-bit parit generator/checker
I74F776A Pi-bus transceiver
I74F776N Pi-bus transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
I74F656AN,602 功能描述:緩沖器和線路驅(qū)動器 OCT BUFFER W/PARITY G/C IND TE RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
I74F656AN-B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Non-Inverting Buffer/Driver
I74F657D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver with 8-bit parit generator/checker
I74F657D,112 功能描述:總線收發(fā)器 OCT BUFFER W/PARITY G/C IND TE RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
I74F657D,118 功能描述:總線收發(fā)器 OCT BUFFER W/PARITY G/C IND TE RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
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