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| 型號(hào)： | TMS3471C-X |
| 廠(chǎng)商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁(yè)數(shù)： | 18/21頁(yè) |
| 文件大小： | 347K |
| 代理商： | TMS3471C-X |
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TMS3471C
2/3-INCH NTSC TIMER
SOCS028B – AUGUST 1991
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature, VCC = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
IOH <1 A
4.95
V
VOL
Low-level output voltage
IOL <1 A
0.05
V
I
High level input current
VCC = 5 V
75
A
IIH
High-level input current
VCC = 4.5 V
65
A
IIL
Low level input current
VCC = 5.5 V
225
A
IIL
Low-level input current
VCC = 5 V
200
A
S1, T, ABIN, PS, PI, GT
– 0.1
S2,3, PD
– 0.2
SH1, GT1, GT2, GT3
– 2.5
SH2,3
VOH =3 5V
–5
IOH
High-level output current
BCP1, BCP2
VOH = 3.5 V
–1
mA
SC, SC(90)
–3
CP2
– 0.6
CLK2M
– 0.3
All other outputs
VOH = 4.6 V
– 0.5
S1, T, ABIN, PS, PI, GT
0.1
S2,3, PD
0.2
SH1, GT1, GT2, GT3
2.5
SH2,3
5
IOL
Low-level output current
BCP1, BCP2
VOL = 0.4 V
1
mA
SC, SC(90)
0.3
CP2
0.6
CLK2M
0.3
All other outputs
0.5
ICC(AV)
Average supply current
40
mA
ICC(S)
Standby supply current
15
mA
The SB input is a Schmitt-trigger input with 0.5-V to 1-V hysteresis.
All inputs have pullup-current sources.
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