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參數(shù)資料
| 型號： | SN74ALS870DW |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL 16-BY-4 REGISTER FILES |
| 中文描述： | 雙16 × 4寄存器文件 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 112K |
| 代理商： | SN74ALS870DW |
SN74ALS870
DUAL 16-BY-4 REGISTER FILES
SDAS139A – DECEMBER 1982 – REVISED JANUARY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
VIH
VIL
IOH
IOL
tw
Supply voltage
4.5
5
5.5
V
High-level input voltage
2
V
Low-level input voltage
0.8
V
High-level output current
–2.6
mA
Low-level output current
24
mA
Pulse duration, write
12
ns
Address before write
↓
Data before write
↑
Select before write
↓
Address before write
↓
Data before write
↑
Select before write
↓
5
tsu
Setup time
15
ns
12
0
th
Hold time
0
ns
12
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,
VCC = 4.5 V to 5.5 V,
VCC = 4.5 V,
VCC = 4.5 V,
II = –18 mA
IOH = –0.4 mA
IOH = –2.6 mA
IOL = 24 mA
VI = 7 V
VI = 5.5 V
–1.2
V
VOH
VCC –2
2.4
V
3.2
VOL
0.35
0.5
V
II
Control inputs
VCC= 5 5 V
VCC = 5.5 V
0.1
mA
DQA and DQB ports
0.2
1W and 2W
20
IIH
Other control inputs
DQA and DQB ports
VCC = 5.5 V,
VI = 2.7 V
40
μ
A
50
IIL
Control inputs
DQA and DQB ports
VCC= 5 5 V
VCC = 5.5 V,
VI= 0 4 V
VI = 0.4 V
–0.2
mA
–0.2
IO§
ICC
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.
VCC = 5.5 V,
VCC = 5.5 V
VO = 2.25 V
–30
–112
mA
80
110
mA
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| SN74ALS870DWE4 | 功能描述:寄存器 Dual 16-By-4 Register Files RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時鐘頻率:36 MHz 傳播延遲時間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
| SN74ALS870DWG4 | 功能描述:寄存器 Dual 16 By 4 Register Files RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時鐘頻率:36 MHz 傳播延遲時間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
| SN74ALS870DWR | 功能描述:寄存器 Dual 16-By-4 Register Files RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時鐘頻率:36 MHz 傳播延遲時間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
| SN74ALS870DWRE4 | 功能描述:寄存器 Dual 16-By-4 Register Files RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時鐘頻率:36 MHz 傳播延遲時間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
| SN74ALS870DWRG4 | 功能描述:寄存器 Dual 16 By 4 Register Files RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時鐘頻率:36 MHz 傳播延遲時間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
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