參數(shù)資料
型號: SN74CB3Q16811DLR
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: CB3Q/3VH/3C/2B SERIES, DUAL 12-BIT DRIVER, TRUE OUTPUT, PDSO56
封裝: GREEN, PLASTIC, SSOP-56
文件頁數(shù): 9/12頁
文件大?。?/td> 310K
代理商: SN74CB3Q16811DLR
www.ti.com
Switching Characteristics
0
2
4
6
8
10
12
14
16
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
VI - V
VCC = 3.3 V
TA = 25°C
IO = -15 mA
r o
n
-
ON-State
Resistance
-
0
5
10
15
20
25
30
0
5
10
15
20
25
OE Switching Frequency - MHz
CCI
-mA
VCC = 3.3 V
TA = 25°C
A and B Ports Open
One OE Switching
SN74CB3Q16811
24-BIT SWITCH WITH PRECHARGED OUTPUTS
2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH
SCDS153B – OCTOBER 2003 – REVISED MARCH 2005
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)
VCC = 2.5 V
VCC = 3.3 V
FROM
TO
± 0.2 V
± 0.3 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
fOE(1)
OE
A or B
10
20
MHz
tpd(2)
A or B
B or A
0.09
0.15
ns
tPZH
BIASV = GND
1.5
8
1.5
8
OE
A or B
ns
tPZL
BIASV = 3 V
1.5
8
1.5
8
tPHZ
BIASV = GND
1
7.5
1
7.5
OE
A or B
ns
tPLZ
BIASV = 3 V
1
7.5
1
7.5
(1)
Maximum switching frequency for control input (VO > VCC, VI = 5 V, RL ≥ 1 M, CL = 0)
(2)
The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and the specified load
capacitance, when driven by an ideal voltage source (zero output impedance).
Figure 1. Typical ron vs VI
Figure 2. Typical ICC vs OE Switching Frequency
6
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