Data Sheet E0067N10

5

MC-458CA721ESA, 458CA721PSA, 458CA721XSA

Electrical Specifications

• After power up, wait more than 100

µs and then, execute power on sequence and CBR (Auto) refresh before proper

device operation is achieved.

Absolute Maximum Ratings

Parameter

Symbol

Condition

Rating

Unit

Voltage on power supply pin relative to GND

–0.5 to +4.6

V

Voltage on input pin relative to GND

–0.5 to +4.6

V

Short circuit output current

50

mA

Power dissipation

5

W

Operating ambient temperature

0 to 70

°C

Storage temperature

–55 to +125

°C

Caution

Exposing the device to stress above those listed in Absolute Maximum Ratings could cause

permanent damage. The device is not meant to be operated under conditions outside the limits

described in the operational section of this specification. Exposure to Absolute Maximum Rating

conditions for extended periods may affect device reliability.

Recommended Operating Conditions

Parameter

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Supply voltage

3.0

3.3

3.6

V

High level input voltage

2.0

V

Low level input voltage

–0.3

+0.8

V

Operating ambient temperature

0

70

°C

°°°°C, f = 1 MHz)

Parameter

Symbol

Test condition

MIN.

TYP.

MAX.

Unit

Input capacitance

A0 - A11, BA0(A13), BA1(A12),

/RAS, /CAS, /WE

17

34

pF

CLK0

23

37

CKE0

18

30

/CS0

18

30

DQMB0 - DQMB7

5

16.5

Data input/output capacitance

DQ0 - DQ63, CB0 - CB7

5

13

pF