參數(shù)資料
型號(hào)： SN74LVC4245ADB
廠商： Texas Instruments, Inc.
英文描述： OCTAL BUS TRANSCEIVER AND 3.3-V TO 5-V SHIFTER WITH 3-STATE OUTPUTS
中文描述： 八路總線收發(fā)器和3.3 V至5 - v拔具有三態(tài)輸出
文件頁數(shù)： 6/8頁
文件大?。?/td> 121K
代理商： SN74LVC4245ADB
SN74LVC4245A
OCTAL BUS TRANSCEIVER AND 3.3-V TO 5-V SHIFTER
WITH 3-STATE OUTPUTS
SCAS375D – MARCH 1994 – REVISED JUNE 1998
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION (A PORT)
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
2
×
VCC
Open
GND
500
500
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
NONINVERTING OUTPUTS
tPLH
tPHL
VOH
VOL
Output
Control
Output
Waveform 1
S1 at 2
×
VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
1.5 V
1.5 V
VCC
0 V
VOL + 0.3 V
VOH – 0.3 V
≈
0 V
3 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
Output
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
2
×
VCC
GND
TEST
S1
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤
10 MHz, ZO = 50
, tr
≤
2.5 ns, tf
≤
2.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
VCC
0 V
1.5 V
Input
50% VCC
50% VCC
50% VCC
1.5 V
50% VCC
VCC
0 V
1.5 V
1.5 V
tw
Input
VOLTAGE WAVEFORMS
PULSE DURATION
Figure 1. Load Circuit and Voltage Waveforms
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74LVC4245ADB-P 制造商:Texas Instruments 功能描述:
SN74LVC4245ADBR 功能描述:總線收發(fā)器 Tri-St. Octal Bus 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(shí)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
SN74LVC4245ADBR 制造商:Texas Instruments 功能描述:Transceiver Logic IC
SN74LVC4245ADBRE4 功能描述:總線收發(fā)器 1-Of-8 FET Mltplxr/Demltplxr 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(shí)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
SN74LVC4245ADBRG4 功能描述:總線收發(fā)器 Octal Bus Transceivr 3.3V To 5V Shifter 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(shí)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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