SN54HC245, SN74HC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS131D – DECEMBER 1982 – REVISED AUGUST 2003
switching characteristics over recommended operating free-air temperature range, C = 50 pF
L
(unless otherwise noted) (see Figure 1)
T
A
= 25°C
TYP
40
SN54HC245
SN74HC245
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
V
UNIT
CC
MIN
MAX
105
21
MIN
MAX
160
32
MIN
MAX
130
26
2 V
4.5 V
6 V
t
t
t
t
A or B
OE
B or A
A or B
A or B
A or B
15
ns
pd
en
dis
t
12
18
27
22
2 V
125
23
230
46
340
68
290
58
4.5 V
6 V
ns
ns
ns
20
39
58
49
2 V
74
200
40
300
60
250
50
OE
4.5 V
6 V
25
21
34
51
43
2 V
20
60
90
75
4.5 V
6 V
8
12
18
15
6
10
15
13
switching characteristics over recommended operating free-air temperature range, C = 150 pF
L
(unless otherwise noted) (see Figure 1)
T
A
= 25°C
TYP
54
SN54HC245
SN74HC245
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
V
UNIT
CC
MIN
MAX
135
27
MIN
MAX
200
40
MIN
MAX
170
34
2 V
4.5 V
6 V
t
pd
t
en
t
t
A or B
OE
B or A
A or B
A or B
18
ns
15
23
34
29
2 V
150
31
270
54
405
81
335
67
4.5 V
6 V
ns
ns
25
46
69
56
2 V
45
210
42
315
63
265
53
4.5 V
6 V
17
13
36
53
45
operating characteristics, T = 25°C
A
PARAMETER
TEST CONDITIONS
TYP
UNIT
C
Power dissipation capacitance per transceiver
No load
40
pF
pd
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
