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参数资料
| 型号： | SNJ54AS821AJT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AS SERIES, 10-BIT DRIVER, TRUE OUTPUT, CDIP24 |
| 封装： | 0.300 INCH, CERAMIC, DIP-24 |
| 文件页数： | 6/12页 |
| 文件大小： | 315K |
| 代理商： | SNJ54AS821AJT |
SN54AS821A, SN74AS821A
10-BIT BUS-INTERFACE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS230A – DECEMBER 1983 – REVISED AUGUST 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54AS821A
SN74AS821A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IOH
High-level output current
–24
mA
IOL
Low-level output current
32
48
mA
tw*
Pulse duration, CLK high or low
9
8
ns
tsu*
Setup time, data before CLK
↑
7
6
ns
th*
Hold time, data after CLK
↑
0
ns
TA
Operating free-air temperature
–55
125
0
70
°C
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS821A
SN74AS821A
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 to 5.5 V,
IOH = – 2 mA
VCC –2
VOH
VCC =4 5V
IOH = – 15 mA
2.4
3.2
2.4
3.2
V
VCC = 4.5 V
IOH = – 24 mA
2
VOL
VCC =4 5V
IOL = 32 mA
0.25
0.5
V
VOL
VCC = 4.5 V
IOL = 48 mA
0.35
0.5
V
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
A
IOZL
VCC = 5.5 V,
VI = 0.4 V
–50
A
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.4 V
– 0.5
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–30
–112
–30
–112
mA
Outputs high
55
88
55
88
ICC
VCC = 5.5 V
Outputs low
68
109
68
109
mA
Outputs disabled
70
113
70
113
All typical values are at VCC = 5 V, TA = 25°C.
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SNJ54AS821JT | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SNJ54AS822JT | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SNJ54AS823AJT | 制造商:Texas Instruments 功能描述: |
| SNJ54AS823JT | 制造商:Texas Instruments 功能描述: |
| SNJ54AS825AJT | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 24-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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