RNA51957A_10 Datasheet, PDF (4/14 Pages) Renesas Technology Corp – Voltage Detecting, System Resetting IC Series

RNA51957A, B
Preliminary
Absolute Maximum Ratings
Item
Supply voltage
Output sink current
Output voltage
Symbol
V_CC
Isink
V_O
Power dissipation
Pd
Thermal derating
K
Operating temperature Topr
Storage temperature Tstg
Input voltage range
V_IN
Ratings
18
6
V_CC
18
400
570
4.4
8.3
–40 to +85
–55 to +125
–0.3 to V_CC
–0.3 to +7
Unit
V
mA
V
mW
mW/°C
°C
°C
V
(Ta = 25°C, unless otherwise noted)
Conditions
Type A (output with constant current load)
Type B (open collector output)
8-pin SOP (PRSP0008DE-C)
8-pin DIP (PRDP0008AF-B)
8-pin SOP (PRSP0008DE-C) Refer to the thermal
8-pin DIP (PRDP0008AF-B) ^{derating curve.}
V_CC  7 V
V_CC > 7 V
Electrical Characteristics
(Ta = 25°C, unless otherwise noted)
 “L” reset type
Item
Symbol Min
Typ
Max Unit
Test Conditions
Detecting voltage
V_S
Hysteresis voltage
V_S
1.20
9
1.25
15
1.30
23
V
mV V_CC = 5V
Detecting voltage
temperature coefficient ^VS/T
—
0.01
— %/°C
Supply voltage range V_CC
Input voltage range
Vin
2
–0.3
–0.3
—
17
V
—
V_CC
V
V_CC  7V
—
7.0
V_CC > 7V
Input current
I_IN
Circuit current
I_CC
Delay time
t_pd
Constant current
Ipd
—
100
500 nA V_IN = 1.25V
—
390
590
A ^{Type A, VCC = 5V}
—
360
540
Type B, V_CC = 5V
1.6
3.4
7.0 ms Cd = 0.01F *
–8
–5
–3
A V_CC = 5V
Output saturation
voltage
Vsat
—
0.2
0.4
V L reset type, V_CC = 5V, V_IN < 1.2V, Isink = 4mA
Threshold operating
voltage
V_OPL
—
0.67
0.8
V
L reset type minimum supply
R_L = 2.2k, Vsat  0.4V
—
0.55
0.7
voltage for IC operation
R_L = 100k, Vsat  0.4V
Output leakage
current
I_OH
—
—
30 nA Type B
Output load current
I_OC
–40
–25
–17 A Type A, V_CC = 5V, V_O = 1/2  V_CC
Output high voltage
V_OH
V_CC–0.2 V_CC–0.06 —
V Type A
Note: Please set the desired delay time by attaching capacitor of the range between 4700 pF and 10 F.
REJ03D0912-0402 Rev.4.02
Apr 01, 2010
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