收藏本站
参数资料
型号： SN74BCT245DWR
厂商： TEXAS INSTRUMENTS INC
元件分类： 总线收发器
英文描述： BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封装： GREEN, PLASTIC, SOIC-20
文件页数： 14/20页
文件大小： 767K
代理商： SN74BCT245DWR
SN54BCT245, SN74BCT245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS013H – SEPTEMBER 1998 – REVISED MAY 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54BCT245
SN74BCT245
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IIK
Input clamp current
–18
mA
IOH
High level output current
A port
– 3
mA
IOH
High-level output current
B port
–12
–15
mA
IOL
Low level output current
A port
20
24
mA
IOL
Low-level output current
B port
48
64
mA
TA
Operating free-air temperature
– 55
125
0
70
°C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT245
SN74BCT245
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
A port
VCC =4 5V
IOH = –1 mA
2.5
3.4
2.5
3.4
A port
VCC = 4.5 V
IOH = – 3 mA
2.4
3.3
2.4
3.3
VOH
IOH = – 3 mA
2.4
3.3
2.4
3.3
V
B port
VCC = 4.5 V
IOH = –12 mA
2
3.2
IOH = – 15 mA
2
3.1
A port
VCC =4 5V
IOL = 20 mA
0.3
0.5
VOL
A port
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
V
VOL
B port
VCC =4 5V
IOL = 48 mA
0.38
0.55
V
B port
VCC = 4.5 V
IOL = 64 mA
0.42
0.55
I
A or B port
VCC =5 5V
VI =5 5V
1
mA
II
Control input
VCC = 5.5 V,
VI = 5.5 V
0.1
mA
I
A or B port
VCC =5 5V
VI =2 7V
70
A
IIH
Control input
VCC = 5.5 V,
VI = 2.7 V
20
A
I
A or B port
VCC =5 5V
VI =0 5V
– 0.65
mA
IIL
Control input
VCC = 5.5 V,
VI = 0.5 V
–1.2
mA
I
§
A port
VCC =5 5V
VO =0
– 60
–150
– 60
–150
mA
IOS§
B port
VCC = 5.5 V,
VO = 0
–100
– 225
–100
– 225
mA
ICCL
A to B
VCC = 5.5 V
57
90
57
90
mA
ICCH
A to B
VCC = 5.5 V
36
57
36
57
mA
ICCZ
VCC = 5.5 V
10
15
10
15
mA
Ci
Control input
VCC = 5 V,
VI = 2.5 V or 0.5 V
7
pF
Ci
A to B
VCC =5V
VO =2 5Vor0 5V
9
pF
Cio
B to A
VCC = 5 V,
VO = 2.5 V or 0.5 V
12
pF
All typical values are at VCC = 5 V, TA = 25°C.
For I/O ports, the parameters IIH and IIL include the off-state output current.
§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
相关PDF资料
PDF描述
SN74BCT245DW BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
SNJ54BCT541FKR BCT/FBT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20
SNJ54BCT544W BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, CDFP24
SN74BCT544DWR BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24
SNJ54BCT574J BCT/FBT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDIP20
相关代理商/技术参数
参数描述
SN74BCT245DWRE4 功能描述:总线收发器 Octal Bus Transceiver RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel
SN74BCT245DWRG4 功能描述:总线收发器 Octal Bus Transceivr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel
SN74BCT245N 功能描述:总线收发器 Octal Bus Transceiver RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel
SN74BCT245N 制造商:Texas Instruments 功能描述:Transceiver Logic IC
SN74BCT245NE4 功能描述:总线收发器 Octal Bus Transceiver RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*