參數(shù)資料
型號(hào): SN74AVC8T245RGYR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 總線收發(fā)器
英文描述: AVC SERIES, OCTAL 1-BIT TRANSCEIVER, TRUE OUTPUT, PQCC24
封裝: QFN-24
文件頁(yè)數(shù): 21/22頁(yè)
文件大?。?/td> 692K
代理商: SN74AVC8T245RGYR
www.ti.com
Switching Characteristics
Operating Characteristics
8-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES517H – DECEMBER 2003 – REVISED FEBRUARY 2007
over recommended operating free-air temperature range, V
CCA = 3.3 V ± 0.3 V (see Figure 10)
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
VCCB = 1.2 V
FROM
TO
± 0.1 V
± 0.15 V
± 0.2 V
± 0.3 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
TYP
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tPLH
2.3
0.5
4.5
0.5
3.7
0.5
2.9
0.5
2.5
A
B
ns
tPHL
2.3
0.5
4.5
0.5
3.3
0.5
2.9
0.5
2.5
tPLH
3.5
0.5
6.8
0.5
3.9
0.5
2.8
0.5
2.5
B
A
ns
tPHL
3.5
0.5
6.8
0.5
3.9
0.5
2.8
0.5
2.5
tPZH
2
0.5
4
0.5
4
0.5
4
0.5
4
OE
A
ns
tPZL
2
0.5
4
0.5
4
0.5
4
0.5
4
tPZH
4.5
1.1
7.8
0.5
6.2
0.5
4.5
0.5
3.9
OE
B
ns
tPZL
4.5
1.1
7.8
0.5
6.2
0.5
4.5
0.5
3.9
tPHZ
1.7
0.5
4
0.5
4
0.5
4
0.5
4
OE
A
ns
tPLZ
1.7
0.5
4
0.5
4
0.5
4
0.5
4
tPHZ
3.4
0.5
6.9
0.5
6
0.5
4.8
0.5
4.2
OE
B
ns
tPLZ
3.4
0.5
6.9
0.5
6
0.5
4.8
0.5
4.2
T
A = 25°C
VCCA =
TEST
VCCB = 1.2 V
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
PARAMETER
UNIT
CONDITIONS
TYP
Outputs
1
enabled
A to B
Outputs
1
CL = 0,
disabled
CpdA(1)
f = 10 MHz,
pF
Outputs
tr = tf = 1 ns
12
13
14
enabled
B to A
Outputs
1
disabled
Outputs
12
13
14
enabled
A to B
Outputs
1
CL = 0,
disabled
CpdB(1)
f = 10 MHz,
pF
Outputs
tr = tf = 1 ns
1
enabled
B to A
Outputs
1
disabled
(1)
Power dissipation capacitance per transceiver
Table 1. Typical Total Static Power Consumption (ICCA + ICCB)
VCCA
VCCB
UNIT
0 V
1.2 V
1.5 V
1.8 V
2.5 V
3.3 V
0 V
0
<0.5
1.2 V
<0.5
<1
1
1.5 V
<0.5
<1
1
A
1.8 V
<0.5
<1
2.5 V
<0.5
1
<1
3.3 V
<0.5
1
<1
8
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