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参数资料
| 型号： | SN74ALS1645ADWE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | GREEN, PLASTIC, SOIC-20 |
| 文件页数： | 5/11页 |
| 文件大小： | 497K |
| 代理商： | SN74ALS1645ADWE4 |
SN74ALS1640A, SN74ALS1645A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SDAS246B – DECEMBER 1982 – REVISED FEBRUARY 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN74ALS1640A
SN74ALS1645A
UNIT
MIN
TYP
MAX
VIK
VCC = 4.5 V,
II = –18 mA
–1.5
V
VCC = 4.5 V to 5.5 V,
IOH = –0.4 mA
VCC–2
VOH
VCC =4 5V
IOH = –3 mA
2.4
3.2
V
VCC = 4.5 V
IOH = –15 mA
2
VOL
VCC =4 5V
IOL = 8 mA
0.25
0.4
V
VOL
VCC = 4.5 V
IOL = 16 mA
0.35
0.5
V
II
Control inputs
VCC =5 5V
VI = 7 V
0.1
mA
II
A or B ports
VCC = 5.5 V
VI = 5.5 V
0.1
mA
IIH
Control inputs
VCC =5 5V
VI =2 7V
20
A
IIH
A or B ports
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
Control inputs
VCC =5 5V
VI =0 4V
–0.1
mA
IIL
A or B ports
VCC = 5.5 V,
VI = 0.4 V
–0.1
mA
IO§
VCC = 5.5 V,
VO = 2.25 V
–30
–112
mA
ICC
SN74ALS1640A
VCC = 5.5 V
18
32
mA
ICC
SN74ALS1645A
VCC = 5.5 V
25
38
mA
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.
§ The output conditions have been chosen to produce a current that closely approximates one-half of the true short-circuit output current, IOS.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX
UNIT
SN74ALS1640A
SN74ALS1645A
MIN
MAX
MIN
MAX
tPLH
AorB
BorA
4
15
2
13
ns
tPHL
A or B
B or A
2
10
2
13
ns
tPZH
OE
AorB
5
20
8
25
ns
tPZL
OE
A or B
5
22
8
25
ns
tPHZ
OE
AorB
2
10
2
12
ns
tPLZ
OE
A or B
5
13
3
18
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74ALS1645ADWG4 | 功能描述:总线收发器 Octal Bus TRNSCVR 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 |
| SN74ALS1645AN | 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 |
| SN74ALS1645ANE4 | 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 |
| SN74ALS1645ANS | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| SN74ALS1645ANSR | 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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