参数资料
型号: SN74ALS667NSR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO24
封装: GREEN, PLASTIC, SOP-24
文件页数: 10/15页
文件大小: 524K
代理商: SN74ALS667NSR
SN74ALS666, SN74ALS667
8-BIT D-TYPE TRANSPARENT READ-BACK LATCHES
WITH 3-STATE OUTPUTS
SDAS227A – JUNE 1984 – REVISED JANUARY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing diagram
Input Data
tdis
th
tsu
Read Back
Data Bus
LE
Q
OERB
Input Data
tpd
tsu
tpd
CLR = H, PRE = H, OE1 = L, OE2 = L.
This setup time ensures the read-back circuit does not create a conflict on the input data bus.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI (all inputs except D inputs)
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage applied to D inputs and to disabled 3-state outputs
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN74ALS666, SN74ALS667
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN74ALS666
SN74ALS667
UNIT
MIN
NOM
MAX
VCC
Supply voltage
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IOH
High level output current
Q
– 2.6
mA
IOH
High-level output current
D
– 0.4
mA
IOL
Low level output current
Q
24
mA
IOL
Low-level output current
D
8
mA
LE high
10
tw
Pulse duration
CLR low
10
ns
PRE low
10
t
Setup time
Data before LE
10
ns
tsu
Setup time
Data before OERB
10
ns
th
Hold time, data after LE
5
ns
TA
Operating free-air temperature
0
70
°C
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相关代理商/技术参数
参数描述
SN74ALS667NSRE4 功能描述:闭锁 Octal DType TRANPNT Read Back 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel
SN74ALS667NSRG4 功能描述:闭锁 Octal DType TRANPNT Read Back 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel
SN74ALS667NT 功能描述:闭锁 Octal DType TRANPNT Read Back 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel
SN74ALS667NT3 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN74ALS667NTE4 功能描述:闭锁 Octal DType TRANPNT Read Back 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel