參數(shù)資料
型號(hào)： N74F1244D-T
廠商： NXP SEMICONDUCTORS
元件分類： 總線收發(fā)器
英文描述： Octal buffer (3-State) - Description: Buffer/Light Load F244 (3-State) ; Logic switching levels: TTL ; Number of pins: 20 ; Output drive capability: -15/+64 mA ; Propagation delay: 5 ns; Voltage: 4.5-5.5 V
中文描述： F/FAST SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝： PLASTIC, SOL-20
文件頁(yè)數(shù)： 5/8頁(yè)
文件大?。?/td> 85K
代理商： N74F1244D-T
Philips Semiconductors
Product specification
74F1244
Octal buffer (3-State)
1989 Apr 04
5
AC WAVEFORMS
For all waveforms, VM = 1.5V.
VM
Yn
Ian, Ibn
tPLH
tPHL
SF00231
Waveform 1.
For Non-Inverting Outputs
VOH–0.3V
VM
Yn
tPZH
tPHZ
SF00233
OEn
0V
Waveform 2.
3-State Output Enable Time to High Level and
Output Disable Time from High Level
VOL+0.3V
VM
Yn
tPZL
tPLZ
SF00234
OEn
3.5V
Waveform 3.
3-State Output enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORMS
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for 3-State Outputs
DEFINITIONS:
RL = Load resistor;
see AC electrical characteristics for value.
CL = Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
tTHL (tf )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
RL
7.0V
SF00777
TEST
SWITCH
tPLZ
closed
tPZL
closed
All other
open
SWITCH POSITION
相關(guān)PDF資料
PDF描述
N74F125D-T Quad buffers (3-State) - Description: Quad Buffer/Line Driver with Active LOW Output Enable (3-State) ; Logic switching levels: TTL ; Number of pins: 14 ; Output drive capability: -15/+64 mA ; Propagation delay: 5 ns; Voltage: 4.5-5.5 V
N74F126D-T Quad buffers (3-State) - Description: Quad Buffer/Line Driver with Active HIGH Output Enable (3-State) ; Logic switching levels: TTL ; Number of pins: 14 ; Output drive capability: -15/+64 mA ; Propagation delay: 5 ns; Voltage: 4.5-5.5 V
N74F138D-T 1-of-8 decoder/demultiplexer - Description: 3-to-8 Line Decoder/Demultiplexer; Inverting ; Logic switching levels: TTL ; Number of pins: 16 ; Output drive capability: -1/+20 mA ; Propagation delay: 6.1 ns; Voltage: 4.5-5.5 V
N74F139D-T Dual 1-of-4 decoder/demultiplexer - Description: Dual 2-to-4 Line Decoder/Demultiplexer ; Logic switching levels: TTL ; Number of pins: 16 ; Output drive capability: -1/+20 mA ; Propagation delay: 5.3 ns; Voltage: 4.5-5.5 V
N74F164D-T 8-bit serial-in parallel-out shift register - Description: 8-Bit Serial-In/Parallel-Out Shift Register ; F<sub>max</sub>: 100 MHz; Logic switching levels: TTL ; Number of pins: 14 ; Output drive capability: -1/+20 mA ; Propagation delay: 7 ns; Voltage: 4.5-5.5 V
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
N74F1244N 功能描述:緩沖器和線路驅(qū)動(dòng)器 OCTAL BUS/LINE DRIVR 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
N74F1244N,602 功能描述:緩沖器和線路驅(qū)動(dòng)器 OCTAL BUS/LINE DRIVR 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
N74F1244N-B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 4-Bit Non-Inverting Buffer/Driver
N74F1245D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver 3-State
N74F1245DB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single 8-bit Bus Transceiver
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