SN74ALVC245_08 Datasheet, PDF (4/19 Pages) Texas Instruments – OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

SN74ALVC245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES271D – APRIL 1999 – REVISED JULY 2004
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
V_OH
V_OL
I_I
I_OZ ⁽²⁾
I_CC
∆I_CC
C_i
C_io
Control inputs
A or B ports
I_OH = -100 µA
I_OH = -4 mA
I_OH = -6 mA
TEST CONDITIONS
I_OH = -12 mA
I_OH = -24 mA
I_OL = 100 µA
I_OL = 4 mA
I_OL = 6 mA
I_OL = 12 mA
I_OL = 24 mA
V_I = V_CC or GND
V_O = V_CC or GND
V_I = V_CC or GND, I_O = 0
One input at V_CC - 0.6 V, Other inputs at V_CC or GND
V_I = V_CC or GND
V_O = V_CC or GND
V_CC
1.65 V to 3.6 V
1.65 V
2.3 V
2.3 V
2.7 V
3V
3V
1.65 V to 3.6 V
1.65 V
2.3 V
2.3 V
2.7 V
3V
3.6 V
3.6 V
3.6 V
3 V to 3.6 V
3.3 V
3.3 V
MIN
V_CC - 0.2
1.2
2
1.7
2.2
2.4
2
TYP ⁽¹⁾
4.5
11.5
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MAX UNIT
V
0.2
0.45
0.4
V
0.7
0.4
0.55
±5 µA
±10 µA
10 µA
750 µA
pF
pF
(1) All typical values are at V_CC = 3.3 V, T_A = 25°C.
(2) For I/O ports, the parameter I_OZ includes the input leakage current.
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
PARAMETER
t_pd
t_en
t_dis
FROM
(INPUT)
A or B
OE
OE
TO
(OUTPUT)
B or A
A or B
A or B
V_CC = 1.8 V
± 0.15 V
MIN MAX
1.5
6
3.4
8.6
2.7
8
V_CC = 2.5 V
± 0.2 V
MIN MAX
1
3.5
2
6
1
4.8
V_CC = 2.7 V
MIN MAX
3.6
6.3
5.3
V_CC = 3.3 V
± 0.3 V
MIN MAX
1.3
3.4
1.6
5.5
1.7
5.5
UNIT
ns
ns
ns
OPERATING CHARACTERISTICS
T_A = 25°C
PARAMETER
C_pd
Power dissipation
capacitance per transceiver
Outputs enabled
Outputs disabled
TEST CONDITIONS
C_L = 0 pF, f = 10 MHz
V_CC = 1.8 V V_CC = 2.5 V V_CC = 3.3 V
TYP
TYP
TYP
25
27
30
0
0
0
UNIT
pF
4