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参数资料
| 型号： | SN74ABT32318PNR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ABT SERIES, 18-BIT EXCHANGER, TRUE OUTPUT, PQFP80 |
| 封装： | PLASTIC, QFP-80 |
| 文件页数： | 6/9页 |
| 文件大小： | 152K |
| 代理商： | SN74ABT32318PNR |
SN54ABT32318, SN74ABT32318
18BIT TRIPORT UNIVERSAL BUS EXCHANGERS
SCBS180A JUNE 1992 REVISED JULY 1994
56
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ABT32318
SN74ABT32318
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = 18 mA
1.2
V
VCC = 4.5 V,
IOH = 3 mA
2.5
VOH
VCC = 5 V,
IOH = 3 mA
3
V
VOH
VCC = 4.5 V
IOH = 24 mA
2
V
VCC = 4.5 V
IOH = 32 mA
2
VOL
VCC = 4.5 V
IOL = 48 mA
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55
V
Control inputs
VCC = 0 to 5.5 V,
VI = VCC or GND
±1
II
A, B, or C
ports
VCC = 2.1 V to 5.5 V, VI = VCC or GND
±20
A
II(hold)
A, B, or C
VCC = 4.5 V
VI = 0.8 V
100
A
II(hold)
A, B, or C
ports
VCC = 4.5 V
VI = 2 V
100
A
IOZPU
VCC = 0 to 2.1 V,
OE = X
VO = 0.5 V to 2.7 V,
±50
A
IOZPD
VCC = 2.1 V to 0,
OE = X
VO = 0.5 V to 2.7 V,
±50
A
IOZH§
VCC = 2.1 V to 5.5 V, VO = 2.7 V, OE ≥ 2 V
10
A
IOZL§
VCC = 2.1 V to 5.5 V, VO = 0.5 V, OE ≥ 2 V
10
A
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
A
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
A
IO
VCC = 5.5 V,
VO = 2.5 V
50
100
180
50
100
180
mA
VCC = 5.5 V,
Outputs high
2
ICC
VCC = 5.5 V,
IO = 0,
Outputs low
45
mA
IO = 0,
VI = VCC or GND
Outputs disabled
1
ICC#
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at VCC or GND
0.5
mA
Ci
Control inputs
VI = 2.5 V or 0.5 V
3
pF
Cio
A, B, or C
ports
VO = 2.5 V or 0.5 V
11.5
pF
All typical values are at VCC = 5 V, TA = 25°C.
This parameter is specified by characterization.
§ The parameters IOZH and IOZL include the input leakage current.
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
# This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
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