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| 型号： | SN74LVTH182514DGG |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVT SERIES, 20-BIT BOUNDARY SCAN REG TRANSCEIVER, TRUE OUTPUT, PDSO64 |
| 封装： | PLASTIC, TSSOP-64 |
| 文件页数： | 24/34页 |
| 文件大小： | 548K |
| 代理商： | SN74LVTH182514DGG |
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SN54LVTH18514, SN54LVTH182514, SN74LVTH18514, SN74LVTH182514
3.3-V ABT SCAN TEST DEVICES
WITH 20-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS670C – AUGUST 1996 – REVISED MARCH 1998
30
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LVTH182514
SN74LVTH182514
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 2.7 V,
II = –18 mA
–1.2
V
VCC = 2.7 V to 3.6 V,
IOH = –100 A
A, B, TDO
VCC–0.2
VCC = 2.7 V,
IOH = –3 mA
2.4
VOH
IOH = –8 mA
A port TDO
2.4
V
VOH
VCC =3V
IOH = –24 mA
A port, TDO
2
V
VCC = 3 V
IOH = –32 mA
2
IOH = –12 mA
B port
2
VCC =2 7V
IOL = 100 A
A, B, TDO
0.2
VCC = 2.7 V
IOL = 24 mA
0.5
IOL = 16 mA
0.4
VOL
IOL = 32 mA
A port, TDO
0.5
V
VCC = 3 V
IOL = 48 mA
0.55
IOL = 64 mA
0.55
IOL = 12 mA
B port
0.8
VCC = 3.6 V,
VI = VCC or GND CLK, CLKEN,
±1
VCC = 0 or 3.6 V,
VI = 5.5 V
CLK, CLKEN,
LE, TCK
10
VI = 5.5 V
5
II
VI = VCC
OE, TDI, TMS
1
A
II
VCC =3 6V
VI = 0
–25
–100
–25
–100
A
VCC = 3.6 V
VI = 5.5 V
20
VI = VCC
A or B ports
1
VI = 0
–5
Ioff
VCC = 0,
VI or VO = 0 to 4.5 V
±100
A
I
§
VCC =3V
VI = 0.8 V
AorB ports
75
500
75
150
500
A
II(hold)§
VCC = 3 V
VI = 2 V
A or B ports
–75
–500
–75
–150
–500
A
IOZH
VCC = 3.6 V,
VO = 3 V
TDO
1
A
IOZL
VCC = 3.6 V,
VO = 0.5 V
TDO
–1
A
IOZPU
VCC = 0 to 1.5 V,
VO = 0.5 V or 3 V TDO
±50
A
IOZPD
VCC = 1.5 V to 0,
VO = 0.5 V or 3 V TDO
±50
A
Outputs high
0.6
2
0.6
2
ICC
VCC = 3.6 V, IO = 0, VI = VCC or GND
Outputs low
19.5
27
19.5
27
mA
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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