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參數(shù)資料
| 型號： | SN74ALS568ADWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 計數(shù)器 |
| 英文描述： | ALS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO20 |
| 封裝： | PLASTIC, SO-20 |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 268K |
| 代理商： | SN74ALS568ADWR |
SN54ALS569A, SN74ALS568A, SN74ALS569A
SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS
WITH 3-STATE OUTPUTS
SDAS229A – APRIL 1982 – REVISED JANUARY 1995
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage applied to a disabled 3-state output
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54ALS569A
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS568A, SN74ALS569A
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
SN54ALS569A
SN74ALS568A
SN74ALS569A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High level output current
Q outputs
–1
– 2.6
mA
IOH
High-level output current
CCO and RCO
– 0.4
mA
IOL
Low level output current
Q outputs
12
24
mA
IOL
Low-level output current
CCO and RCO
4
8
mA
f lk
Clock frequency
SN74ALS568A
0
20
MHz
fclock
Clock frequency
′ALS569A
0
22
0
30
MHz
ACLR or LOAD low
20
15
SN74ALS568A
CLK high
25
tw
Pulse duration
SN74ALS568A
CLK low
25
ns
′ALS569A
CLK high
20
16.5
′ALS569A
CLK low
23
16.5
Data at A, B, C, D
25
20
ENP ENT
High
35
30
ENP, ENT
Low
25
20
SCLR
Low
20
15
tsu
Setup time before CLK
↑
SCLR
High (inactive)
35
30
ns
LOAD
Low
20
15
LOAD
High (inactive)
35
30
U/D
35
30
ACLR inactive
10
th
Hold time after CLK
↑ for any input
0
ns
TA
Operating free-air temperature
–55
125
0
70
°C
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| SN74ALS569ADWG4 | ALS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO20 |
| SN74ALS569ANSRG4 | ALS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO20 |
| SN74ALS575ADWRG4 | ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO24 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74ALS568AN | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN74ALS569ADW | 功能描述:計數(shù)器移位寄存器 Sync 4-Bit Up/Down Bnry Cntr W/3St Otp RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| SN74ALS569ADWE4 | 功能描述:計數(shù)器 IC Sync 4-Bit Up/Down Bnry Cntr W/3St Otp RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| SN74ALS569ADWG4 | 功能描述:計數(shù)器 IC Synch 4B Up Down Binary Counters RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| SN74ALS569ADWR | 功能描述:計數(shù)器 IC Sync 4-Bit Up/Down Bnry Cntr W/3St Otp RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
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