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参数资料
| 型号： | TLC555CDB |
| 厂商： | Texas Instruments, Inc. |
| 元件分类： | 定时器 |
| 英文描述： | LinCMOSE TIMERS |
| 中文描述： | LinCMOSE定时器 |
| 文件页数： | 8/19页 |
| 文件大小： | 404K |
| 代理商： | TLC555CDB |
SLFS043F SEPTEMBER 1983 REVISED FEBRUARY 2005
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, V
DD
= 5 V, T
A
= 25
°
C (unless otherwise noted)
PARAMETER
Initial error of timing interval
TEST CONDITIONS
MIN
TYP
1%
MAX
3%
UNIT
VDD = 5 V to 15 V,
CT = 0.1
μ
F,
RA = RB = 1 k
to 100 k
,
See Note 3
Supply voltage sensitivity of timing interval
0.1
0.5
%/V
tr
tf
Output pulse rise time
RL = 10 M
,
CL = 10 pF
20
75
ns
Output pulse fall time
15
60
fmax
Maximum frequency in astable mode
RA = 470
,
CT = 200 pF,
RB
=
200
,
See Note 3
1.2
2.1
MHz
Timing interval error is defined as the difference between the measured value and the average value of a random sample from each process
run.
NOTE 3: RA, RB, and CT are as defined in Figure 1.
electrical characteristics at V
DD
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
MIN
2.8
TYP
3.3
MAX
3.8
UNIT
V
VIT
IIT
VI(TRIG)
II(TRIG)
VI(RESET)
II(RESET)
Threshold voltage
Threshold current
10
pA
Trigger voltage
1.36
1.66
1.96
V
Trigger current
10
pA
Reset voltage
0.4
1.1
1.5
V
Reset current
10
pA
Control voltage (open circuit) as a percentage of supply voltage
66.7%
Discharge switch on-state voltage
IOL = 10 mA
0.14
0.5
V
Discharge switch off-state current
0.1
nA
VOH
High-level output voltage
IOH = 1 mA
IOL = 8 mA
IOL = 5 mA
IOL = 3.2 mA
See Note 2
4.1
4.8
V
0.21
0.4
VOL
Low-level output voltage
0.13
0.3
V
0.08
0.3
IDD
NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or TRIG.
Supply current
170
350
μ
A
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