WCMA4016U4X datasheet(2/12 Pages) WEIDA

Part #	WCMA4016U4X

Description	256K x 16 Static RAM

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Manufacturer	WEIDA [Weida Semiconductor, Inc.]

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WCMA4016U4X

2

Pin Configuration[1, 2]

Maximum Ratings

(Above which the useful life may be impaired. For user guide-

lines, not tested.)

Storage Temperature ................................. –65°C to +150°C

Ambient Temperature with

Power Applied............................................. –55°C to +125°C

Supply Voltage to Ground Potential ...–0.5V to Vccmax + 0.5V

DC Voltage Applied to Outputs

in High Z State[3] ....................................–0.5V to VCC + 0.3V

DC Input Voltage[3]..................................-0.5V to VCC + 0.3V

Output Current into Outputs (LOW)............................. 20 mA

Static Discharge Voltage........................................... >2001V

(per MIL-STD-883, Method 3015)

Latch-Up Current .................................................... >200 mA

Notes:

1.

NC pins are not connected to the die.

2.

E3 (DNU) can be left as NC or Vss to ensure proper application.

3.

VIL(min.) = –2.0V for pulse durations less than 20 ns.

4.

Typical values are included for reference only and are not guaranteed or tested. Typical values are measured at VCC = VCC(typ.), TA = 25°C.

WE

A11

A10

A6

A0

A3

CE

I/O10

I/O8

I/O9

A4

A5

I/O11

I/O13

I/O12

I/O14

I/O15

VSS

A9

A8

OE

Vss

A7

I/O0

BHE

NC

A17

A2

A1

BLE

VCC

I/O2

I/O1

I/O3

I/O4

I/O5

I/O6

I/O7

A15

A14

A13

A

12

NC

3

2

6

5

4

1

D

E

B

A

C

F

G

H

FBGA (Top View)

A16

DNU

Vcc

Operating Range

Device

Range

Ambient

Temperature

VCC

WCMA4016U4X

Industrial

–40°C to +85°C

2.7V to 3.3V

Product Portfolio

Product

VCC Range

Speed

Power Dissipation (Industrial)

Operating, ICC

Standby (ISB2)

f = 1 MHz

f = fmax

VCC(min.) VCC(typ.)

[4]

VCC(max.)

Typ.[4]

Max.

Typ.[4]

Max.

Typ.[4]

Max.

WCMA4016U4X

2.7V

3.0V

3.3V

70 ns

1.5 mA

3 mA

7 mA

15 mA

7

µA15 µA

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