參數(shù)資料
型號(hào)： SN54HCT245FKR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20
封裝： CERAMIC, CC-20
文件頁數(shù)： 14/19頁
文件大小： 584K
代理商： SN54HCT245FKR
SN54HCT245, SN74HCT245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS020E – MARCH 1984 – REVISED AUGUST 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HCT245
SN74HCT245
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A or B
B or A
4.5 V
20
30
45
38
ns
tpd
A or B
B or A
5.5 V
18
27
41
34
ns
ten
OE
A or B
4.5 V
36
59
89
74
ns
ten
OE
A or B
5.5 V
30
53
80
67
ns
tt
A or B
4.5 V
17
42
63
53
ns
tt
A or B
5.5 V
14
38
57
48
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per transceiver
No load
40
pF
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