参数资料
型号: SN74ALVC245DGVR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: ALVC/VCX/A SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封装: GREEN, PLASTIC, TVSOP-20
文件页数: 13/18页
文件大小: 677K
代理商: SN74ALVC245DGVR
www.ti.com
ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
OPERATING CHARACTERISTICS
SN74ALVC245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES271D – APRIL 1999 – REVISED JULY 2004
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP(1)
MAX
UNIT
IOH = -100 A
1.65 V to 3.6 V
VCC - 0.2
IOH = -4 mA
1.65 V
1.2
IOH = -6 mA
2.3 V
2
VOH
2.3 V
1.7
V
IOH = -12 mA
2.7 V
2.2
3 V
2.4
IOH = -24 mA
3 V
2
IOL = 100 A
1.65 V to 3.6 V
0.2
IOL = 4 mA
1.65 V
0.45
IOL = 6 mA
2.3 V
0.4
VOL
V
2.3 V
0.7
IOL = 12 mA
2.7 V
0.4
IOL = 24 mA
3 V
0.55
II
VI = VCC or GND
3.6 V
±5
A
IOZ
(2)
VO = VCC or GND
3.6 V
±10
A
ICC
VI = VCC or GND, IO = 0
3.6 V
10
A
I
CC
One input at VCC - 0.6 V, Other inputs at VCC or GND
3 V to 3.6 V
750
A
Ci
Control inputs
VI = VCC or GND
3.3 V
4.5
pF
Cio
A or B ports
VO = VCC or GND
3.3 V
11.5
pF
(1)
All typical values are at VCC = 3.3 V, TA = 25°C.
(2)
For I/O ports, the parameter IOZ includes the input leakage current.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
VCC = 1.8 V
VCC = 2.5 V
VCC = 3.3 V
VCC = 2.7 V
FROM
TO
± 0.15 V
± 0.2 V
± 0.3 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tpd
A or B
B or A
1.5
6
1
3.5
3.6
1.3
3.4
ns
ten
OE
A or B
3.4
8.6
2
6
6.3
1.6
5.5
ns
tdis
OE
A or B
2.7
8
1
4.8
5.3
1.7
5.5
ns
T
A = 25°C
VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V
PARAMETER
TEST CONDITIONS
UNIT
TYP
Outputs enabled
25
27
30
Power dissipation
Cpd
CL = 0 pF, f = 10 MHz
pF
capacitance per transceiver
Outputs disabled
0
4
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