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参数资料
| 型号： | SN74ABT623NSRE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | GREEN, PLASTIC, SOP-20 |
| 文件页数： | 15/20页 |
| 文件大小： | 762K |
| 代理商： | SN74ABT623NSRE4 |
SN54ABT623A, SN74ABT623
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS114D – FEBRUARY 1991 – REVISED MAY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ABT623A
SN74ABT623
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
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 5V
IOH = –24 mA
2
V
VCC = 4.5 V
IOH = –32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
Vhys
100
mV
II
Control inputs
VCC =5 5V
VI =VCC or GND
±1
A
II
A or B ports
VCC = 5.5 V,
VI = VCC or GND
±100
A
IOZH
VCC = 5.5 V,
VO = 2.7 V
50**
10
50
A
IOZL
VCC = 5.5 V,
VO = 0.5 V
–50**
–10
–50
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
–180
–50
–180
mA
VCC = 5.5 V,
Outputs high
5
250
A
ICC
A or B ports
VCC = 5.5 V,
IO = 0,
Outputs low
22
30
mA
VI = VCC or GND
Outputs disabled
1
250
A
Data inp ts
VCC = 5.5 V, One
input at 3.4 V,
Outputs enabled
1.5
ICC
Data inputs
,
Other inputs at VCC
or GND
Outputs disabled
0.05
mA
Control inputs
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
Ci
Control inputs
VI = 2.5 V or 0.5 V
4
pF
Cio
A or B ports
VO = 2.5 V or 0.5 V
7
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
** These limits apply only to the SN74ABT623.
All typical values are at VCC = 5 V.
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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