參數(shù)資料
型號(hào)： SN54LVTH18502AHV
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 總線收發(fā)器
英文描述： LVT SERIES, DUAL 9-BIT BOUNDARY SCAN REG TRANSCEIVER, TRUE OUTPUT, CQFP68
封裝： CERAMIC, QFP-68
文件頁(yè)數(shù)： 25/38頁(yè)
文件大?。?/td> 556K
代理商： SN54LVTH18502AHV
SN54LVTH18502A, SN54LVTH182502A, SN74LVTH18502A, SN74LVTH182502A
3.3-V ABT SCAN TEST DEVICES
WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS668B – JULY 1996 – REVISED MARCH 1999
31
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LVTH182502A
SN74LVTH182502A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 2.7 V,
II = –18 mA
–1.2
V
A, B, TDO
VCC = 2.7 V to 3.6 V,
IOH = –100 A
VCC–0.2
VCC = 2.7 V,
IOH = –3 mA
2.4
VOH
A port,
IOH = –8 mA
2.4
V
VOH
,
TDO
VCC = 3 V
IOH = –24 mA
2
V
IOH = –32 mA
2
B port
VCC = 3 V,
IOH = –12 mA
2
A, B, TDO
VCC = 2.7 V,
IOL = 100 A
0.2
VCC = 2.7 V,
IOL = 24 mA
0.5
At
IOL = 16 mA
0.4
VOL
A port,
TDO
VCC =3V
IOL = 32 mA
0.5
V
TDO
VCC = 3 V
IOL = 48 mA
0.55
IOL = 64 mA
0.55
B port
VCC = 3 V,
IOL = 12 mA
0.8
CLK,
VCC = 3.6 V,
VI = VCC or GND
±1
CLK,
LE, TCK
VCC = 0 or 3.6 V,
VI = 5.5 V
10
OE
VI = 5.5 V
5
II
OE,
TDI TMS
VCC = 3.6 V
VI = VCC
1
A
II
TDI, TMS
VI = 0
–25
–100
–25
–100
A
AB
VI = 5.5 V
20
A or B
ports
VCC = 3.6 V
VI = VCC
1
orts
VI = 0
–5
Ioff
VCC = 0,
VI or VO = 0 to 4.5 V
±100
A
I
§
A or B
VCC =3V
VI = 0.8 V
75
500
75
150
500
A
II(hold)§
ports
VCC = 3 V
VI = 2 V
–75
–500
–75
–150
–500
A
IOZH
TDO
VCC = 3.6 V,
VO = 3 V
1
A
IOZL
TDO
VCC = 3.6 V,
VO = 0.5 V
–1
A
IOZPU
TDO
VCC = 0 to 1.5 V,
VO = 0.5 V or 3 V
±50
A
IOZPD
TDO
VCC = 1.5 V to 0,
VO = 0.5 V or 3 V
±50
A
VCC = 3.6 V,
Outputs high
0.6
2
0.6
2
ICC
VCC = 3.6 V,
IO = 0,
Outputs low
18
24
18
24
mA
VI = VCC or GND
Outputs disabled
0.6
2
0.6
2
ICC
VCC = 3 V to 3.6 V, One input at VCC – 0.6 V,
Other inputs at VCC or GND
0.5
mA
Ci
VI = 3 V or 0
4
pF
Cio
VO = 3 V or 0
10
pF
Co
VO = 3 V or 0
8
pF
All typical values are at VCC = 3.3 V, TA = 25°C.
Unused pins at VCC or GND
§ The parameter II(hold) includes the off-state output leakage current.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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