參數(shù)資料
型號(hào)： SN74ALS299DWE4
廠商： TEXAS INSTRUMENTS INC
元件分類： 計(jì)數(shù)移位寄存器
英文描述： ALS SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO20
封裝： PLASTIC, SO-20
文件頁數(shù)： 14/18頁
文件大?。?/td> 713K
代理商： SN74ALS299DWE4
SN54ALS299, SN74ALS299
8-BIT UNIVERSAL SHIFT/STORAGE REGISTERS
WITH 3-STATE OUTPUTS
SDAS220B – DECEMBER 1982 – REVISED DECEMBER 1994
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
SN54ALS299
SN74ALS299
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency (at 50% duty cycle)
0
17
0
30
MHz
t
Pulse duration
CLK high or low
22
16.5
ns
tw
Pulse duration
CLR low
12
10
ns
↑
S0 or S1
25
20
t
Setup time before CLK
↑
Serial or parallel data
High
18
16
ns
tsu
Serial or parallel data
Low
15
6
ns
Inactive-state setup time before CLK
↑
CLR
15
th
Hold time after CLK
↑
S0 or S1
0
ns
th
Hold time after CLK
↑
Serial or parallel data
0
ns
Inactive-state setup time is also referred to as recovery time.
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
SN54ALS299
SN74ALS299
MIN
MAX
MIN
MAX
fmax
17
30
MHz
tPLH
CLK
QQ
2
19
4
13
ns
tPHL
CLK
QA– QH
4
25
7
19
ns
tPLH
CLK
Q
′ or Q ′
2
21
5
15
ns
tPHL
CLK
QA
′ or QH′
4
25
8
18
ns
tPHL
CLR
QA –QH
6
29
6
22
ns
tPHL
CLR
QA
′ or QH′
6
29
6
22
ns
tPZH
OE1 OE2
QQ
5
22
6
16
ns
tPZL
OE1, OE2
QA – QH
6
27
8
22
ns
tPZH
S0 S1
QQ
5
27
7
17
ns
tPZL
S0, S1
QA – QH
6
26
8
22
ns
tPHZ
OE1 OE2
QQ
1
15
1
8
ns
tPLZ
OE1, OE2
QA – QH
4
38
5
15
ns
tPHZ
S0 S1
QA QH
1
16
1
12
ns
tPLZ
S0, S1
QA – QH
4
34
8
25
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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SN74ALS299DWG4 功能描述:計(jì)數(shù)器移位寄存器 8B Universal Shift Storage Registers RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)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(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
SN74ALS299DWR 功能描述:計(jì)數(shù)器移位寄存器 8-Bit Univ Shft/Strg Reg W/3-St Otpt RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)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(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
SN74ALS299DWRE4 功能描述:計(jì)數(shù)器移位寄存器 8-Bit Univ Shft/Strg Reg W/3-St Otpt RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)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(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
SN74ALS299DWRG4 功能描述:計(jì)數(shù)器移位寄存器 8B Universal Shift Storage Registers RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)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(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
SN74ALS299FN 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
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