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参数资料
| 型号： | TLC555QD |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟波形发生器 |
| 英文描述： | PULSE; RECTANGULAR, 1.2 MHz, TIMER, PDSO8 |
| 封装： | PLASTIC, SOP-8 |
| 文件页数： | 23/24页 |
| 文件大小： | 726K |
| 代理商： | TLC555QD |
TLC555
LinCMOS TIMER
SLFS043F SEPTEMBER 1983 REVISED FEBRUARY 2005
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, VDD = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Initial error of timing interval
VDD = 5 V to 15 V,
RA = RB = 1 k to 100 k,
1%
3%
Supply voltage sensitivity of timing interval
VDD = 5 V to 15 V,
CT = 0.1 F,
RA = RB = 1 k to 100 k,
See Note 3
0.1
0.5
%/ V
tr
Output pulse rise time
RL = 10 M
CL = 10 pF
20
75
ns
tf
Output pulse fall time
RL = 10 M,
CL = 10 pF
15
60
ns
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 VDD = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT
Threshold voltage
2.8
3.3
3.8
V
IIT
Threshold current
10
pA
VI(TRIG)
Trigger voltage
1.36
1.66
1.96
V
II(TRIG)
Trigger current
10
pA
VI(RESET)
Reset voltage
0.4
1.1
1.5
V
II(RESET)
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
4.1
4.8
V
IOL = 8 mA
0.21
0.4
VOL
Low-level output voltage
IOL = 5 mA
0.13
0.3
V
VOL
Low-level output voltage
IOL = 3.2 mA
0.08
0.3
V
IDD
Supply current
See Note 2
170
350
A
NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or TRIG.
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