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參數(shù)資料
| 型號： | SN54ALVTH16821 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.5-V/3.3-V 20-Bit Bus-Interface Flip-Flops(2.5V/3.3V 20位總線接口觸發(fā)器(三態(tài)輸出)) |
| 中文描述： | 2.5-V/3.3-V 20位總線接口正反器（2.5V/3.3V的20位總線接口觸發(fā)器（三態(tài)輸出）） |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 222K |
| 代理商： | SN54ALVTH16821 |
SN54ALVTH16821, SN74ALVTH16821
2.5-V/3.3-V 20-BIT BUS-INTERFACE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCES078A – JULY 1996 – REVISED JULY 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V
±
0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
TEST CONDITIONS
SN54ALVTH16821
MIN
TYP
SN74ALVTH16821
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 2.3 V,
VCC = 2.3 V to 2.7 V,
II = –18 mA
IOH = –100
μ
A
IOH = – 6 mA
IOH = – 8 mA
IOL = 100
μ
A
IOL = 6 mA
IOL = 8 mA
IOL = 18 mA
IOL = 24 mA
VI = GND
VI = 2.7 V
VI = VCC
VI = 0
VI or VO = 0 to
4.5 V
VI = 0.7 V
VI = 1.7 V
VI = 0 to 2.7 V
VO = 3.6 V
–1.2
–1.2
V
VOH
VCC–0.2
1.7
VCC–0.2
V
VCC= 2 3 V
VCC = 2.3 V
1.7
VOL
VCC = 2.3 V to 2.7 V,
0.2
0.2
V
VCC= 2 3 V
VCC = 2.3 V
2 3 V
0.5
0.5
0.5
0.5
±
1
10
II
VCC = 2.7 V,
VCC = 0 or 2.7 V,
Control inputs
±
1
10
μ
A
VCC= 2 7 V
VCC = 2.7 V
Data inputs
10
10
–5
–5
Ioff
VCC = 0,
±
100
±
100
μ
A
VCC= 2 3 V
VCC = 2.3 V
Data inputs
90
90
II(hold)
75
75
A
μ
VCC = 2.7 V,
VCC = 2.3 V,
VCC
≤
1.2 V, VO = 0.5 V to VCC,
VI = GND or VCC, OE = don’t care
VCC = 2.7 V, VO = 2.7 V, VI = 0.7 V or 1.7 V
VCC = 2.7 V, VO = 0 V, VI = 0.7 V or 1.7 V
IEX§
μ
A
IOZ(PU/PD)
±
100
±
100
μ
A
IOZH
IOZL
5
5
μ
A
μ
A
–5
–5
ICC
VCC
VI = VCC or GND
2 7 V
IO = 0,
Outputs high
0.04
0.09
0.04
0.09
Outputs low
2.3
4.5
2.3
4.5
mA
Outputs
disabled
0.04
0.09
0.04
0.09
Ci
Co
VCC = 2.5 V,
VCC = 2.5 V,
VI = 2.5 V or 0
VO = 2.5 V or 0
3
3
pF
9
9
pF
All typical values are at VCC = 2.5 V, TA = 25
°
C.
This is the bus-hold maximum dynamic current required to switch the input from one state to another.
§Current into an output in the high state when VO > VCC
High-impedance state during power up/high-impedance state during power down
P
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