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UPD4723 数据表(PDF) 5 Page - NEC

部件名 UPD4723
功能描述  RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V
Download  16 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

UPD4723 数据表(HTML) 5 Page - NEC

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µPD4723
5
ELECTRICAL SPECIFICATIONS (TOTAL)
(UNLESS OTHERWISE SPECIFIED, TA = –40 to +85
°C, C1 to C5 = 1
µF)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
VCC = +3.3 V, No load, RIN pin OPEN,
14
mA
Circuit Current
ICC1
STBY = H
VCC = +5.0 V, No load, RIN pin OPEN,
10
mA
STBY = H
VCC = +3.3 V, RL = 3 k
Ω (DOUT), DIN = GND,
35
mA
Circuit Current
ICC2
RIN, ROUT pin OPEN, STBY = H
VCC = +5.0 V,RL = 3 k
Ω (DOUT), DIN = GND,
28
mA
RIN, ROUT pin OPEN, STBY = H
VCC = +3.3 V, No load, DIN and RIN pins are
1
3
µA
OPEN, STBY = L, EN = L, TA = 25
°C
Circuit Current at Standby
ICC3
VCC = +3.3 V, No load, DIN and RIN pins are
5
µA
(Standby Mode 1)
OPEN, STBY = L, EN = L
VCC = +5.0 V, No load, DIN and RIN pins are
2
5
µA
OPEN, STBY = L, EN = L, TA = 25
°C
VCC = +5.0 V, No load, DIN and RIN pins are
10
µA
OPEN, STBY = L, EN = L
VCC = +3.3 V, No load, DIN and RIN pins are
1
3
µA
OPEN, STBY = L, EN = H, TA = 25
°C
Circuit Current at Standby
ICC4
VCC = +3.3 V, No load, DIN and RIN pins are
5
µA
(Standby Mode 2)
OPEN, STBY = L, EN = H
VCC = +5.0 V, No load, DIN and RIN pins are
2
5
µA
OPEN, STBY = L, EN = H, TA = 25
°C
VCC = +5.0 V, No load, DIN and RIN pins are
10
µA
OPEN, STBY = L, EN = H
High-Level Input Voltage
VIH
VCC = +3.0 to +5.5 V, STBY, VCHA, EN pin
2.4
V
Low-Level Input Voltage
VIL
VCC = +3.0 to +5.5 V, STBY, VCHA, EN pin
0.6
V
High-Level Input Current
IIH
VCC = +5.5 V, VI = 5.5 V, STBY, VCHA, EN pin
1
µA
Low-Level Input Current
IIL
VCC = +5.5 V, VI = 0 V, STBY, VCHA, EN pin
–1
µA
Driver input and receiver input
10
pF
Input Capacitance
CIN
VCC = +3.3 V, for GND, f = 1 MHz
Driver input and receiver input
10
pF
VCC = +5.0 V, for GND, f = 1 MHz
STBY — VCHA Time
tSCH
VCC = +3.0 to 5.5 V, STBY
↓ → VCHA,Note 8
1
µs
VCHA — STBY Time
tCHS
VCC = +3.0 to 5.5 V, VCHA
→ STBY ↑,Note 8
1
µs
STBY — VCC Time
tSC
VCC = +3.0 to 5.5 V, STBY
↓ → VCC,Note 8
1
µs
VCC — STBY Time
tCS
VCC = +3.0 to 5.5 V, VCC
→ STBY ↑,Note 8
1
µs
* The TYP. values are for reference at TA = 25
°C.


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