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參數資料
| 型號： | TLC551CPE4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬波形發生器 |
| 英文描述： | PULSE; RECTANGULAR, 1.2 MHz, TIMER, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數： | 17/17頁 |
| 文件大小： | 299K |
| 代理商： | TLC551CPE4 |
TLC551, TLC551Y
LinCMOS
TIMERS
SLFS044B – FEBRUARY 1984 – REVISED SEPTEMBER 1997
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
IOL = 3.2 mA
0.08
0.3
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 to TRIG.
TYPICAL CHARACTERISTICS
Figure 1
2
1
025
75
Discharge
Switch
On-State
Resistance
–
DISCHARGE SWITCH ON-STATE RESISTANCE
vs
FREE-AIR TEMPERATURE
50
100
10
4
20
100
40
7
70
TA – Free-Air Temperature – °C
VDD = 2 V, IO = 1 mA
VDD = 5 V, IO = 10 mA
VDD = 15 V, IO = 100 mA
Figure 2
100
0
2
4
6
8
12
16
PROPAGATION DELAY TIMES (TO DISCHARGE
OUTPUT FROM TRIGGER AND THRESHOLD
SHORTED TOGETHER)
vs
SUPPLY VOLTAGE
10
14
400
200
500
600
300
VDD – Supply Voltage – V
20
18
PHL
t,
PLH
t
–
Propagation
Delay
T
imes
–
ns
tPLH
tPHL
IO(on) ≥ 1 mA
CL ≈ 0
TA = 25°C
The effects of the load resistance on these values must be
taken into account separately.
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