參數(shù)資料
型號: SN54LS221
廠商: Motorola, Inc.
英文描述: 1-of-8 Decoder/Demultiplexer; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500
中文描述: 雙單穩(wěn)多諧振蕩器與施密特觸發(fā)輸入
文件頁數(shù): 9/23頁
文件大?。?/td> 621K
代理商: SN54LS221
SDLS213B DECEMBER 1983 REVISED NOVEMBER 2004
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics V
CC
= 5 V, R
L
= 2 k
,
T
A
= 25 C (see Figures 1 and 2)
PARAMETER
FROM
(INPUT)
TO
TEST CONDITIONS
SN54LS221
MIN
SN74LS221
MIN
UNIT
(OUTPUT)
TYP
MAX
TYP
MAX
tPLH
A
Q
45
70
45
70
B
Cext = 80 pF,
Rext = 2 k
35
55
35
55
ns
tPHL
A
Q
50
80
50
80
B
40
65
40
65
tPHL
tPLH
CLR
Q
Cext = 80 pF,
Rext = 2 k
35
55
35
55
ns
Q
44
65
44
65
Cext = 80 pF,
Cext = 0,
Cext = 100 pF,
Cext = 1
μ
F,
Rext = 2 k
Rext = 2 k
Rext = 10 k
Rext = 10 k
70
120
150
70
120
150
tw
A or B
Q or Q
20
47
70
20
47
70
ns
670
740
810
670
740
810
6*
6.9
7.5*
6
6.9
7.5
ms
On products compliant to MIL-PRF-38535, this parameter is not production tested.
相關(guān)PDF資料
PDF描述
SN54LS221J DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
SN54LS257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74LS257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN54LS257BFK QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74S257D QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
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