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参数资料
型号： SN74ABT245BMDBREP
厂商： TEXAS INSTRUMENTS INC
元件分类： 总线收发器
英文描述： ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封装： GREEN, PLASTIC, SSOP-20
文件页数： 5/10页
文件大小： 301K
代理商： SN74ABT245BMDBREP
SN74ABT245BEP
OCTAL BUS TRANSCEIVER
WITH 3STATE OUTPUTS
SCBS798 - FEBRUARY 2004
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
MIN
MAX
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = 18 mA
1.2
V
VCC = 4.5 V,
IOH = 3 mA
2.5
VOH
VCC = 5 V,
IOH = 3 mA
3
V
VOH
VCC = 4.5 V,
IOH = 24 mA
2
V
VOL
VCC = 4.5 V,
IOL = 32 mA
0.55
V
II
Control inputs
VCC = 0 to 5.5 V, VI = VCC or GND
±1
A
II
A or B ports
VCC = 2.1 V to 5.5 V, VI = VCC or GND
±20
±100
A
IOZPU
VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X
±50
A
IOZPD
VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X
±50
A
IOZH
VCC = 2.1 V to 5.5 V, VO = 2.7 V, OE ≥ 2 V
10
A
IOZL
VCC = 2.1 V to 5.5 V, VO = 0.5 V, OE ≥ 2 V
10
A
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
A
ICEX
VCC = 5.5 V, VO = 5.5 V
Outputs high
50
A
IO§
VCC = 5.5 V,
VO = 2.5 V
50
140
180
50
180
mA
Outputs high
5
250
A
ICC
A or B ports
VCC = 5.5 V, IO = 0, VI = VCC or GND Outputs low
22
30
mA
ICC
A or B ports
VCC = 5.5 V, IO = 0, VI = VCC or GND
Outputs disabled
1
250
A
Data inputs
VCC = 5.5 V, One input at 3.4 V,
Outputs enabled
1.5
mA
ICC
Data inputs
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
Outputs disabled
50
A
ICC
Control inputs
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
mA
Ci
Control inputs
VI = 2.5 V or 0.5 V
4
pF
Cio
A or B ports
VO = 2.5 V or 0.5 V
8
pF
All typical values are at VCC = 5 V.
The parameters IOZH and IOZL include the input leakage current.
§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
UNIT
tPLH
A or B
B or A
1
2
3.2
0.8
3.8
ns
tPHL
A or B
B or A
1
2.6
3.5
1
4.2
ns
tPZH
OE
A or B
2
3.5
4.5
1.2
6.2
ns
tPZL
OE
A or B
1.9
4
5.3
1.3
6.8
ns
tPHZ
OE
A or B
2.2
4.4
5.4
2.2
6.1
ns
tPLZ
OE
A or B
1.5
3
4
1.0
4.9
ns
tsk(o)
0.5
ns
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相关代理商/技术参数
参数描述
SN74ABT245BN 功能描述:总线收发器 Tri-State Octal Bus 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
SN74ABT245BN 制造商:Texas Instruments 功能描述:Transceiver Logic IC
SN74ABT245BNE4 功能描述:总线收发器 Octal Bus Trnscvrs With 3-State Outputs 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
SN74ABT245BNS 制造商:Texas Instruments 功能描述:
SN74ABT245BNSR 功能描述:总线收发器 Octal Bus Trnscvrs With 3-State Outputs 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
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