SN74AUC245 Datasheet, PDF (4/11 Pages) Texas Instruments – OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS

SN74AUC245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES419A – JANUARY 2003 – REVISED MARCH 2005
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_OH
V_OL
I_I
I_off
I_OZ ⁽²⁾
I_CC
C_i
C_io
All inputs
I_OH = –100 µA
I_OH = –0.7 mA
I_OH = –3 mA
I_OH = –5 mA
I_OH = –8 mA
I_OH = –9 mA
I_OL = 100 µA
I_OL = 0.7 mA
I_OL = 3 mA
I_OL = 5 mA
I_OL = 8 mA
I_OL = 9 mA
V_I = V_CC or GND
V_I or V_O = 2.7 V
V_O = V_CC or GND
V_I = V_CC or GND,
V_I = V_CC or GND
V_O = V_CC or GND
I_O = 0
(1) All typical values are at T_A = 25°C.
(2) For I/O ports, the parameter I_OZ includes the input leakage current.
V_CC
0.8 V to 2.7 V
0.8 V
1.1 V
1.4 V
1.65 V
2.3 V
0.8 V to 2.7 V
0.8 V
1.1 V
1.4 V
1.65 V
2.3 V
0 to 2.7 V
0
2.7 V
0.8 V to 2.7 V
2.5 V
2.5 V
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MIN TYP⁽¹⁾ MAX
V_CC – 0.1
0.55
0.8
1
1.2
1.8
0.2
0.25
0.3
0.4
0.45
0.6
±5
±10
±10
20
2.5
3
7.5
8
UNIT
V
V
µA
µA
µA
µA
pF
pF
Switching Characteristics
over recommended operating free-air temperature range, C_L = 15 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V_CC = 0.8 V
TYP
V_CC = 1.2 V V_CC = 1.5 V
± 0.1 V
± 0.1 V
MIN MAX MIN MAX
V_CC = 1.8 V
± 0.15 V
V_CC = 2.5 V
± 0.2 V
MIN TYP MAX MIN MAX
t_pd
A or B
B or A
5
1 3.2 0.6
2 0.5
1 1.7 0.4 1.4
t_en
OE
A or B
9
1.2 4.9
1
3 0.8 1.2 2.4 0.6 1.8
t_dis
OE
A or B
9.5
1.9 5.7 1.2
4 0.9 1.9 4.1 0.6 2.9
UNIT
ns
ns
ns
Switching Characteristics
over recommended operating free-air temperature range, C_L = 30 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V_CC = 1.8 V
± 0.15 V
MIN TYP MAX
V_CC = 2.5 V
± 0.2 V
MIN MAX
t_pd
A or B
B or A
0.6 1.3 2.2 0.5 1.8
t_en
OE
A or B
1.1 1.5
3 1.1 2.4
t_dis
OE
A or B
1.6 2.2
4 0.8 2.6
UNIT
ns
ns
ns
4