參數(shù)資料
型號(hào): SN74ALS569ADWG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 計(jì)數(shù)器
英文描述: ALS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO20
封裝: GREEN, PLASTIC, SOIC-20
文件頁(yè)數(shù): 2/21頁(yè)
文件大?。?/td> 699K
代理商: SN74ALS569ADWG4
SN54ALS569A, SN74ALS568A, SN74ALS569A
SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS
WITH 3-STATE OUTPUTS
SDAS229A – APRIL 1982 – REVISED JANUARY 1995
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
(INPUT)
(OUTPUT)
SN54ALS569A
SN74ALS568A
SN74ALS569A
MIN
MAX
MIN
MAX
f
SN74ALS568A
20
MHz
fmax
′ALS569A
22
30
MHz
tPLH
CLK
An Q
4
21
4
13
ns
tPHL
CLK
Any Q
7
19
7
16
ns
tPLH
CLK
RCO
12
37
12
28
ns
tPHL
CLK
RCO
10
28
10
19
ns
tPLH
CLK
CCO
5
17
5
13
ns
tPHL
CLK
CCO
6
30
6
25
ns
tPLH
U/D
RCO
9
31
9
23
ns
tPHL
U/D
RCO
9
33
9
19
ns
tPLH
ENT
RCO
6
21
6
15
ns
tPHL
ENT
RCO
4
20
4
13
ns
tPLH
ENT
CCO
5
18
5
13
ns
tPHL
ENT
CCO
9
32
9
23
ns
tPLH
ENP
CCO
4
18
4
12
ns
tPHL
ENP
CCO
5
18
5
14
ns
tPHL
ACLR
Any Q
9
25
9
20
ns
tPZH
OE
An Q
6
23
6
18
ns
tPZL
OE
Any Q
6
29
6
24
ns
tPHZ
OE
Any Q
1
12
1
10
ns
tPLZ
OE
Any Q
3
29
3
13
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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