White Electronic Designs WS128K64V-25G4WM, WS128K64V-25G4WI, WS128K64V-25G4WC, WS128K64V-20G4WM, WS128K64V-20G4WI Datasheet

WS128K64V-XG4WX

128Kx64 3.3V SRAM MODULE ADVANCED*

FEATURES

■Access Times of 15, 17, 20, 25ns

■Packaging

• 116 lead, 40mm square, Hermetic CQFP (Package 504)

■Organized as 128Kx64, User Configurable as 256Kx32, 512Kx16 or 1Mx8.

■Commercial, Industrial and Military Temperature Ranges

■3 Volt Power Supply

■Low Power CMOS

■2V Data Retention Devices Available (Low Power Version)

■TTL Compatible Inputs and Outputs

■Built in Decoupling Caps and Multiple Ground Pins for Low Noise Operation

■Weight

WF128K64V-XG4WX - 20 grams typical

*This data sheet describes a product that may or may not be under development and is subject to change or cancellation without notice.

Note: Programming information available upon request.

FIG. 1 PIN CONFIGURATION FOR WF128K64V-XG4WX

																													TOP VIEW																																																		OE
																																																																															A 0 - 1 6
					I/O2		I/O1		I/O0		VCC					WE2		CS2			NC A0				A1	A2		A3		A4			WE1			CS1		NC						CS8		WE8	A5		A6		A7		A8		A9		NC			CS7						WE7	VCC I/O63				I/O62		I/O61
					15		14		13		12		11					10			9		8		7	6		5		4		3			2			1			116				115		114		113		112		111		110		109		108				107				106		105		104		103
	I/O3				16																																																																				102						I/O60
	I/O4				17																																																																				101						I/O59
	I/O5				18																																																																				100						I/O58
	I/O6				19																																																																				99						I/O57
	I/O7				20																																																																				98						I/O56
	GND				21																																																																				97						GND
	I/O8				22																																																																				96						I/O55
	I/O9				23																																																																				95						I/O54
	I/O10				24																																																																				94						I/O53
	I/O11				25																																																																				93						I/O52
	I/O12				26																																																																				92						I/O51
	I/O13				27																																																																				91						I/O50
	I/O14				28																																																																				90						I/O49
	I/O15				29																																																																				89						I/O48
	GND				30																																																																				88						GND
	I/O16				31																																																																				87						I/O47
	I/O17				32																																																																				86						I/O46
	I/O18				33																																																																				85						I/O45
	I/O19				34																																																																				84						I/O44
	I/O20				35																																																																				83						I/O43
	I/O21				36																																																																				82						I/O42
	I/O22				37																																																																				81						I/O41
	I/O23				38																																																																				80						I/O40
	GND				39																																																																				79						GND
	I/O24				40																																																																				78						I/O39
	I/O25				41																																																																				77						I/O38
	I/O26				42																																																																				76						I/O37
	I/O27				43																																																																				75						I/O36
	I/O28				44																																																																				74						I/O35
					45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
					I/O29		I/O30		I/O31		VCC					WE3			CS3			NC NC NC NC A16								A15			WE4				CS4			OE				CS5		WE5		A14	A13		A12		A11		A10		NC					CS6				WE6	VCC I/O32				I/O33		I/O34

BLOCK DIAGRAM

			WE1 CS1						WE2 CS2					WEx CSx						WE8 CS8
	1						2					. . . . . .						8
	128K x 8						128K x 8											128K x 8
	8						8					8						8
		I/O 0 - 7						I/O 8 - 15					I/O ...					I/O 56 - 63

PIN DESCRIPTION

I/O0-63							Data Inputs/Outputs
		A0-16					Address Inputs
					1-8		Write Enables
	WE
				1-8			Chip Selects
		CS
							Output Enable
			OE
		VCC					Power Supply
		GND					Ground
		NC					Not Connected

September 1998

1

White Microelectronics • Phoenix, AZ • [phone]

WS128K64V-XG4WX

ABSOLUTE MAXIMUM RATINGS

Parameter	Symbol	Min	Max	Unit
Operating Temperature	TA	-55	+125	°C
Storage Temperature	TSTG	-65	+150	°C
Signal Voltage Relative to GND	VG	-0.5	4.6	V
Junction Temperature	TJ		150	°C
Supply Voltage	VCC	-0.5	4.6	V

RECOMMENDED OPERATING CONDITIONS

Parameter	Symbol	Min	Max	Unit
Supply Voltage	VCC	3.0	3.6	V
Input High Voltage	VIH	2.2	VCC + 0.3	V
Input Low Voltage	VIL	-0.3	+0.8	V
Operating Temp. (Mil.)	TA	-55	+125	°C

TRUTH TABLE

CS

OE

WE

Mode

Data I/O

Power

H

X

X

Standby

High Z

Standby

L

L

H

Read

Data Out

Active

L

X

L

Write

Data In

Active

L

H

H

Out Disable

High Z

Active

CAPACITANCE

(TA = +25°C)

	Parameter					Symbol	Conditions	Max	Unit
					capacitance	COE	VIN = 0 V, f = 1.0 MHz	100	pF
	OE
					capacitance	CWE	VIN = 0 V, f = 1.0 MHz	20	pF
	WE
						CCS	VIN = 0 V, f = 1.0 MHz	20	pF
		CS	capacitance
	Data I/O capacitance					CI/O	VI/O = 0 V, f = 1.0 MHz	20	pF
	Address input capacitance					CAD	VIN = 0 V, f = 1.0 MHz	100	pF

This parameter is guaranteed by design but not tested.

DC CHARACTERISTICS

(VCC = 3.3V ± 0.3V, TA = -55°C to +125°C)

Parameter

Sym

Conditions

Min

Max

Units

Input Leakage Current

ILI

VIN = GND to VCC

10

µA

Output Leakage Current

ILO

= VIH,

= VIH, VOUT = GND to VCC

10

µA

CS

OE

Operating Supply Current

ICC

CS

= VIL,

OE

= VIH, f = 5MHz, Vcc = 3.6

1

A

Standby Current

ISB

= VIH,

= VIH, f = 5MHz, Vcc = 3.6

64

mA

CS

OE

Output Low Voltage

VOL

IOL = 8mA

0.4

V

Output High Voltage

VOH

IOH = -4.0mA

2.4

V

NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V

FIG. 2

AC TEST CIRCUIT

I OL

Current Source

D.U.T.	VZ ≈1.5V
Ceff = 50 pf	(Bipolar Supply)

IOH

Current Source

AC TEST CONDITIONS

Parameter	Typ	Unit
Input Pulse Levels	VIL = 0, VIH = 2.5	V
Input Rise and Fall	5	ns
Input and Output Reference Level	1.5	V
Output Timing Reference Level	1.5	V

NOTES:

VZ is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75 Ω.

VZ is typically the midpoint of VOH and VOL.

IOL & IOH are adjusted to simulate a typical resistive load circuit. ATE tester includes jig capacitance.

White Microelectronics • Phoenix, AZ • [phone]

2