SN54HC245, SN74HC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS131B – DECEMBER 1982 – REVISED MAY 1997
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
2V
IOH = –20
µA
VOH
VI = VIH or VIL
IOH = –6 mA
IOH = –7.8 mA
IOL = 20
µA
VOL
VI = VIH or VIL
IOL = 6 mA
IOL = 7.8 mA
II
IOZ
ICC
Ci
DIR or OE
A or B
DIR or OE
VI = VCC or 0
VO = VCC or 0
VI = VCC or 0,
IO = 0
4.5 V
6V
4.5 V
6V
2V
4.5 V
6V
4.5 V
6V
6V
6V
6V
2 V to 6 V
3
TA = 25°C
MIN
TYP
MAX
1.9
4.4
5.9
3.98
5.48
1.998
4.499
5.999
4.3
5.8
0.002
0.001
0.001
0.17
0.15
±0.1
±0.01
0.1
0.1
0.1
0.26
0.26
±100
±0.5
8
10
SN54HC245
MIN
1.9
4.4
5.9
3.7
5.2
0.1
0.1
0.1
0.4
0.4
±1000
±10
160
10
MAX
SN74HC245
MIN
1.9
4.4
5.9
3.84
5.34
0.1
0.1
0.1
0.33
0.33
±1000
±5
80
10
nA
µA
µA
pF
V
V
MAX
UNIT
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
2V
tpd
A or B
B or A
4.5 V
6V
2V
ten
OE
A or B
4.5 V
6V
2V
tdis
OE
A or B
4.5 V
6V
2V
tt
A or B
4.5 V
6V
TA = 25°C
MIN
TYP
MAX
40
15
12
125
23
20
74
25
21
20
8
6
105
21
18
230
46
39
200
40
34
60
12
10
SN54HC245
MIN
MAX
160
32
27
340
68
58
300
60
51
90
18
15
SN74HC245
MIN
MAX
130
26
22
290
58
49
250
50
43
75
15
13
ns
ns
ns
ns
UNIT
4
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
