參數(shù)資料
型號(hào)： SN74LVT244DBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝： PLASTIC, SSOP-20
文件頁數(shù)： 8/13頁
文件大小： 279K
代理商： SN74LVT244DBR
SN54LVT244, SN74LVT244
3.3-V ABT OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS135B – AUGUST 1992 – REVISED MARCH 1994
2–4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LVT244
SN74LVT244
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 2.7 V,
II = –18 mA
–1.2
V
VCC = MIN to MAX, IOH = –100 A
VCC – 0.2
VOH
VCC = 2.7 V,
IOH = – 8 mA
2.4
V
VOH
VCC = 3 V,
IOH = – 24 mA
2
V
VCC = 3 V,
IOH = – 32 mA
2
VCC = 2.7 V,
IOL = 100 A
0.2
VCC = 2.7 V,
IOL = 24 mA
0.5
VOL
VCC = 3 V,
IOL = 16 mA
0.4
V
VOL
VCC = 3 V,
IOL = 32 mA
0.5
V
VCC = 3 V,
IOL = 48 mA
0.55
VCC = 3 V,
IOL = 64 mA
0.55
VCC = 0 or MAX,
VI = 5.5 V
50
10
II
VCC = 3.6 V,
VI = VCC or GND
Control pins
±1
A
II
VCC = 3.6 V,
VI = VCC
Data pins
1
A
VCC = 3.6 V,
VI = 0
Data pins
–5
Ioff
VCC = 0,
VI or VO = 0 to 4.5 V
±100
A
II(h ld)
VCC = 3 V,
VI = 0.8 V
Ainputs
75
A
II(hold)
VCC = 3 V,
VI = 2 V
A inputs
–75
A
IOZH
VCC = 3.6 V,
VO = 3 V
1
A
IOZL
VCC = 3.6 V,
VO = 0.5 V
–1
A
Outputs high
0.12
0.39
0.12
0.19
ICC
VCC = 3.6 V,
IO = 0,
Outputs low
8.6
14
8.6
12
mA
ICC
VI = VCC or GND
Outputs
disabled
0.12
0.39
0.12
0.19
mA
ICC§
VCC = 3 V to 3.6 V,
One input at VCC – 0.6 V,
Other inputs at VCC or GND
0.3
0.2
mA
Ci
VI = 3 V or 0
4
pF
Co
VO = 3 V or 0
8
pF
All typical values are at VCC = 3.3 V, TA = 25°C.
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
§ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
LVT244–5
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參數(shù)描述
SN74LVT245ADW 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
SN74LVT245ADWR 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
SN74LVT245BDBR 功能描述:總線收發(fā)器 3 St 3.3V ABT Octal 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
SN74LVT245BDBRE4 功能描述:總線收發(fā)器 3.3-V ABT Octal Bus Trncvr W/3-St Otpt 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
SN74LVT245BDBRG4 功能描述:總線收發(fā)器 3.3V ABT Octal 總線收發(fā)器 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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