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参数资料
| 型号： | SN74LVTH32237 |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 3.3V ABT 32 BIT EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3 STATE OUTPUTS |
| 中文描述： | 3.3生根粉32位边沿触发的D -型触发器3态输出 |
| 文件页数： | 4/9页 |
| 文件大小： | 266K |
| 代理商： | SN74LVTH32237 |
SCBS754B MARCH 2002 REVISED SEPTEMBER 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
MIN
MAX
UNIT
VCC
VIH
VIL
VI
IOH
IOL
t/
v
t/
VCC
TA
NOTE 4: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
Supply voltage
2.7
3.6
V
High-level input voltage
2
V
Low-level input voltage
0.8
V
Input voltage
5.5
V
High-level output current
12
mA
Low-level output current
12
mA
Input transition rise or fall rate
Outputs enabled
10
ns/V
μ
s/V
°
C
Power-up ramp rate
200
Operating free-air temperature
40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
1.2
UNIT
V
VIK
VOH
VOL
VCC = 2.7 V,
VCC = 3 V,
VCC = 3 V,
VCC = 0 or 3.6 V,
VCC = 3.6 V,
II = 18 mA
IOH = 12 mA
IOL = 12 mA
VI = 5.5 V
VI = VCC or GND
VI = VCC
VI = 0
VI or VO = 0 to
4.5 V
VI = 0.8 V
VI = 2 V
2
V
0.8
V
10
±
1
1
II
Control inputs
Data inputs
VCC = 3.6 V
μ
A
5
Ioff
VCC = 0,
±
100
μ
A
VCC = 3 V
75
II(hold)
Data inputs
75
μ
A
VCC = 3.6 V,
VI = 0 to 3.6 V
500
750
IOZH
IOZL
IOZPU
VCC = 3.6 V,
VCC = 3.6 V,
VCC = 0 to 1.5 V, VO = 0.5 V to 3 V, OE = don’t care
VO = 3 V
VO = 0.5 V
5
μ
A
μ
A
5
±
100
μ
A
IOZPD
VCC = 1.5 V to 0, VO = 0.5 V to 3 V, OE = don’t care
±
100
μ
A
VCC = 3.6 V, IO = 0,
VI = VCC or GND
Outputs high
0.38
ICC
Outputs low
10
mA
Outputs disabled
0.38
ICC§
VCC = 3 V to 3.6 V, One input at VCC 0.6 V,
Other inputs at VCC or GND
VI = 3 V or 0
VO = 3 V or 0
0.2
mA
Ci
Co
3
pF
9
pF
All typical values are at VCC = 3.3 V, TA = 25
°
C.
This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.
§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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