参数资料
型号: SN74LVCH245APWR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封装: GREEN, PLASTIC, TSSOP-20
文件页数: 26/29页
文件大小: 1104K
代理商: SN74LVCH245APWR
www.ti.com
Switching Characteristics
Operating Characteristics
SN54LVCH245A, SN74LVCH245A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCES008O – JULY 1995 – REVISED DECEMBER 2005
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
SN54LVCH245A
FROM
TO
VCC = 3.3 V
PARAMETER
VCC = 2.7 V
UNIT
(INPUT)
(OUTPUT)
± 0.3 V
MIN
MAX
MIN
MAX
tpd
A or B
B or A
8
1
7
ns
ten
OE
A or B
9.5
1
8.5
ns
tdis
OE
A or B
8.5
1
7.5
ns
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
SN74LVCH245A
FROM
TO
VCC = 1.8 V
VCC = 2.5 V
VCC = 3.3 V
PARAMETER
VCC = 2.7 V
UNIT
(INPUT)
(OUTPUT)
± 0.15 V
± 0.2 V
± 0.3 V
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tpd
A or B
B or A
(1)
7.3
1.5
6.3
ns
ten
OE
A or B
(1)
9.5
1.5
8.5
ns
tdis
OE
A or B
(1)
8.5
1.7
7.5
ns
tsk(o)
1
ns
(1)
This information was not available at the time of publication.
T
A = 25°C
VCC = 1.8 V
VCC = 2.5 V
VCC = 3.3 V
TEST
PARAMETER
UNIT
CONDITIONS
TYP
Outputs enabled
(1)
47
Power dissipation capacitance
Cpd
f = 10 MHz
pF
per transceiver
Outputs disabled
(1)
2
(1)
This information was not available at the time of publication.
6
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