SN74LVC8T245-EP_17 Datasheet, PDF (8/26 Pages) Texas Instruments – 8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and Tri-State Outputs

SN74LVC8T245-EP
SCES770A – DECEMBER 2008 – REVISED MARCH 2017
www.ti.com
7.8 Switching Characteristics
over recommended operating free-air temperature range, V_CCA = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V_CCB = 1.8 V
± 0.15 V
MIN MAX
V_CCB = 2.5 V
± 0.2 V
MIN MAX
V_CCB = 3.3 V
± 0.3 V
MIN MAX
V_CCB = 5 V
± 0.5 V
MIN MAX
UNIT
t_PLH
A
t_PHL
t_PLH
B
t_PHL
t_PHZ
OE
t_PLZ
t_PHZ
OE
t_PLZ
t_PZH
OE
t_PZL
t_PZH
OE
t_PZL
B
1.5 25.2 1.1 12.8 0.8 10.3 0.5 10.4 ns
A
0.8 11.2 0.8 10.2 0.7 10.1 0.6 10 ns
A
1.6 12.2 1.6 12.2 1.6 12.2 1.6 12.2 ns
B
2.1 33 1.7 14.3 1.5 12.6 0.8 10.3 ns
A
0.8 14.1 0.8 13.6 0.8 13.2 0.8 13.6 ns
B
1.8 31.7 1.4 18.4 1.1 12.9 0.9 10.9 ns
7.9 Switching Characteristics
over recommended operating free-air temperature range, V_CCA = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V_CC = 1.8 V
± 0.15 V
MIN MAX
V_CC = 2.5 V
± 0.2 V
MIN MAX
V_CC = 3.3 V
± 0.3 V
MIN MAX
V_CC = 5 V
± 0.5 V
MIN MAX
UNIT
t_PLH
A
t_PHL
t_PLH
B
t_PHL
t_PHZ
OE
t_PLZ
t_PHZ
OE
t_PLZ
t_PZH
OE
t_PZL
t_PZH
OE
t_PZL
B
1.5 25.4
1 12.8 0.7
10 0.4 8.2 ns
A
0.7 11 0.4 8.8 0.3 8.5 0.3 8.3 ns
A
0.3 9.4 0.3 9.4 0.3 9.4 0.3 9.4 ns
B
2 32.7 1.6 13.7 1.4
12 0.7 9.7 ns
A
0.7 10.9 0.7 10.9 0.7 10.9 0.7 10.9 ns
B
1.5 31.6 1.3 18.4
1 13.7 0.9 10.7 ns
7.10 Operating Characteristics
T_A = 25°C
PARAMETER
TEST
CONDITIONS
C_pdA ⁽¹⁾
A-port input, B-port output
B-port input, A-port output
C_pdB ⁽¹⁾
A-port input, B-port output
B-port input, A-port output
C_L = 0,
f = 10 MHz,
t_r = t_f = 1 ns
(1) Power dissipation capacitance per transceiver
V_CCA =
V_CCB = 1.8 V
TYP
2
12
13
2
V_CCA =
V_CCB = 2.5 V
TYP
2
13
13
2
V_CCA =
V_CCB = 3.3 V
TYP
2
13
14
2
V_CCA =
V_CCB = 5 V
TYP
3
16
16
3
UNIT
pF
pF
8
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