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UPD4722 Datasheet(PDF) 5 Page - NEC

Part # UPD4722
Description  RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V
PDF  16 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD4722 Datasheet(HTML) 5 Page - NEC

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5
µPD4722
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,
STBY = H
VCC = +5.0 V, No load, RIN pin OPEN,
STBY = H
VCC = +3.3 V, RL = 3 k
Ω (DOUT), DIN = GND,
RIN, ROUT pin OPEN, STBY = H
VCC = +5.0 V,RL = 3 k
Ω (DOUT), DIN = GND,
RIN, ROUT pin OPEN, STBY = H
VCC = +3.3 V, No load, DIN and RIN pins are
OPEN, STBY = L, EN = L, TA = 25
°C
VCC = +3.3 V, No load, DIN and RIN pins are
OPEN, STBY = L, EN = L
VCC = +5.0 V, No load, DIN and RIN pins are
OPEN, STBY = L, EN = L, TA = 25
°C
VCC = +5.0 V, No load, DIN and RIN pins are
OPEN, STBY = L, EN = L
VCC = +3.3 V, No load, DIN and RIN pins are
OPEN, STBY = L, EN = H, TA = 25
°C
VCC = +3.3 V, No load, DIN and RIN pins are
OPEN, STBY = L, EN = H
VCC = +5.0 V, No load, DIN and RIN pins are
OPEN, STBY = L, EN = H, TA = 25
°C
VCC = +5.0 V, No load, DIN and RIN pins are
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
VCC = +3.3 V, for GND, f = 1 MHz
Driver input and receiver input
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.
10
pF
Circuit Current
ICC1
12
mA
16
mA
47
mA
38
mA
Circuit Current
ICC2
ICC3
Circuit Current at Standby
(Standby Mode 1)
ICC4
Circuit Current at Standby
(Standby Mode 2)
5
µA
10
µA
25
µA
13
µA
5
µA
10
µA
25
µA
13
µA
10
pF
Input Capacitance
CIN



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