UPD4990AC データシートの表示（PDF） - NEC => Renesas Technology

部品番号

コンポーネント説明

一致するリスト

UPD4990AC

SERIAL I/O CALENDAR & CLOCK CMOS LSI

NEC => Renesas Technology 

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

V

VSS −0.3 to VDD +0.3

V

−40 to +85

°C

−65 to +125

°C

−0.5 to 7.0

V

ELECTRICAL CHARACTERISTICS (f = 32.768 kHz, CG = CD = 20 pF, CI = 20 kΩ, 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

tSU

1

STB Pulse Width

tSTB

1

C0 to 2, CS − STB Hold Time

tHLD

1

STB LATCH Delay Time

td1

CLK-DATA OUT Delay time

td(c-o)

DATA IN Set-up Time

tDSU

1

DATA IN Hold Time

tDHLD

1

µs

µs

µs

1**

µs except Time Read mode

1

µs

RL = 33 kΩ, 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

Share Link: