MSM7557 查看數據表（PDF） - Oki Electric Industry

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MSM7557

Single Chip MSK Modem with Compandor for Cordless Telephone

Oki Electric Industry 

¡ Semiconductor

MSM7557

ABSOLUTE MAXIMUM RATINGS

Parameter

Power Supply Voltage

Analog Input Voltage *1

Digital Input Voltage *2

Storage Temperature

Symbol

VDD

VIA

VID

TSTG

Condition

Ta = 25°C

Refer to GND

—

Rating

–0.3 to +7.0

–0.3 to VDD + 0.3

–55 to +150

Unit

V

°C

*1 : LIM, VR2, TVI, RAI, CMPI

*2 : SD, EMP, DYN, SEC, RCK1, RCK2, BYP, BR, FDE, BIT, FPS, RVE, PDN, X2, ME, TVE

RECOMMENDED OPERATING CONDITIONS

Parameter

Power Supply Voltage

Operating Temperature

Crystal Oscillating Freq.

Data Signaling Rate

C4, C5, C11, C12, C15

C6, C13

C7, C8

C9, C10

C14

C19

C20, C21

Symbol

VDD

Top

fX'TAL

TS

—

—

—

—

—

—

—

—

Condition

from

DYN = "0"

GND level DYN= "1"

VDD = 2.7 V to 5.5 V

—

BR = 0"

BR = "1"

—

DYN = "0"

DYN = "1"

—

RL ≥ 40kW

—

—

—

Min.

2.7

4.5

–30

3.6860

—

—

—

—

—

—

—

—

—

—

Typ.

3.6

5.0

+25

3.6864

1200

2400

1.0

0.22

0.47

1.0

0.22

10

0.47

20

Max.

5.5

5.5

+70

3.6868

—

—

—

—

—

—

—

—

—

—

Unit

V

°C

MHz

bit/sec

mF

pF

10/25

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