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参数资料
| 型号： | SN74ALS992DWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ALS SERIES, 9-BIT DRIVER, TRUE OUTPUT, PDSO24 |
| 封装： | PLASTIC, SO-24 |
| 文件页数： | 3/9页 |
| 文件大小： | 217K |
| 代理商： | SN74ALS992DWR |
SN74ALS992
9-BIT D-TYPE TRANSPARENT READ-BACK LATCH
WITH 3-STATE OUTPUTS
SDAS028B – APRIL 1984 – REVISED JANUARY 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
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
t
Pulse duration
LE high
10
ns
tw
Pulse duration
CLR low
10
ns
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
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
V
All outputs
VCC = 4.5 V to 5.5 V,
IOH = – 0.4 mA
VCC –2
V
VOH
Q
VCC = 4.5 V,
IOH = – 2.6 mA
2.4
3.2
V
D
VCC =4 5V
IOL = 4 mA
0.25
0.4
VOL
D
VCC = 4.5 V
IOL = 8 mA
0.35
0.5
V
VOL
Q
VCC =4 5V
IOL = 12 mA
0.25
0.4
V
Q
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
IOZH
Q
VCC = 5.5 V,
VO = 2.7 V
20
A
IOZL
Q
VCC = 5.5 V,
VO = 0.4 V
–20
A
II
D inputs
VCC =5 5V
VI = 5.5 V
0.1
mA
II
All others
VCC = 5.5 V
VI = 7 V
0.1
mA
I
D inputs
VCC =5 5V
VI =2 7V
20
A
IIH
All others
VCC = 5.5 V,
VI = 2.7 V
20
A
I
D inputs
VCC =5 5V
VI =0 4V
– 0.1
mA
IIL
All others
VCC = 5.5 V,
VI = 0.4 V
– 0.1
mA
IO§
VCC = 5.5 V,
VO = 2.25 V
–30
–112
mA
V5 5 V
Outputs high
30
50
ICC
VCC = 5.5 V,
OERB high
Outputs low
50
80
mA
OERB high
Outputs disabled
35
55
All typical values are at VCC = 5 V, TA = 25°C.
For I/O ports (QA thru QH), 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.
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相关代理商/技术参数 |
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| SN74ALS992DWRE4 | 功能描述:闭锁 9B 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 |
| SN74ALS992DWRG4 | 功能描述:闭锁 9B 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 |
| SN74ALS992FN | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN74ALS992NT | 功能描述:闭锁 9B 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 |
| SN74ALS992NTE4 | 功能描述:闭锁 9B 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 |
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