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UPD4990A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - SERIAL I/O CALENDAR & CLOCK CMOS LSI - NEC

भाग संख्या UPD4990A
समारोह SERIAL I/O CALENDAR & CLOCK CMOS LSI
मैन्युफैक्चरर्स NEC 
लोगो NEC लोगो 
पूर्व दर्शन
1 Page
		
<?=UPD4990A?> डेटा पत्रक पीडीएफ

UPD4990A pdf
µPD4990A
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
VDD VSS
Input Voltage
VIN
Operating Temperature Range
Topt
Storage Temperature Range
Tstg
Output Terminal Voltage
VOUT
0.5 to 7.0
VSS 0.3 to VDD +0.3
40 to +85
65 to +125
0.5 to 7.0
V
V
°C
°C
V
ELECTRICAL CHARACTERISTICS (f = 32.768 kHz, CG = CD = 20 pF, CI = 20 k, Ta = 25 °C)
CHARACTERISTIC
Operating Voltage
Current Consumption
SYMBOL
VDD VSS
IDD
MIN.
2.00
TYP.
8
Low Level Output Voltage
VOL
CLK Input Frequency
Input Leakage Current
fCLK DC
IIN
High Level Input Voltage
Low Level Input Voltage
VIH 0.7 VDD
VIL VSS
* TP and DATA OUT are N-channel open drain output.
MAX.
5.50
20
100
0.4*
500
±1
VDD
0.3 VDD
UNIT
V
µA
µA
V
kHz
µA
V
V
TEST CONDITIONS
VDD VSS = 3.60 V
VDD VSS = 5.50 V
VDD VSS = 2.0 to 5.5 V
IOL = 500 µA
VDD VSS = 2.0 V, Duty 50 %
VDD VSS = 5.50 V
A.C. ELECTRICAL CHARACTERISTICS (f = 32.768 kHz, VDD VSS = 2.0 V, Ta = 25 °C)
CHARACTERISTIC
SYMBOL MIN. TYP. MAX. UNIT
TEST CONDITIONS
C0 to 2, CS STB Set-up Time
STB Pulse Width
C0 to 2, CS STB Hold Time
STB LATCH Delay Time
CLK-DATA OUT Delay time
DATA IN Set-up Time
DATA IN Hold Time
tSU
tSTB
tHLD
td1
td(c-o)
tDSU
tDHLD
1
1
1
1
1
µs
µs
µs
1** µs except Time Read mode
1 µs RL = 33 k, CL = 15 pF
µs
µs
** Note: When a function mode is Time Read mode (other than Test mode), STB LATCH delay time is 20 µs MAX.
(td2).
2

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डाउनलोड[ UPD4990A Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
UPD4990ASERIAL I/O CALENDAR & CLOCK CMOS LSINEC
NEC


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