Datasheet WS1M8L-45DJIA, WS1M8L-45DJI, WS1M8L-45DJCA, WS1M8L-45DJC, WS1M8L-45CMA Datasheet (White Electronic Designs)

1

White Electronic Designs Corporation • [phone] • www.whiteedc.com

HI-RELIABILITY PRODUCT

WS1M8-XXX

2x512Kx8 DUALITHIC™ SRAM

FEATURES

■ Access Times 17, 20, 25, 35, 45, 55ns

■ Revolutionary, Center Power/Ground Pinout

■ Packaging:

•32 pin, Hermetic Ceramic DIP (Package 300)

•36 lead Ceramic SOJ (Package 100)

•36 lead Ceramic Flatpack (Package 226)

October 2000 Rev. 4

36 CSOJ
36 FLATPACK

TOP VIEW

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19

A0
A1
A2
A3

A4
CS1
I/O0
I/O1
V

CC

GND

I/O2
I/O3

WE

A5

A6

A7

A8

A9

NC
A18
A17
A16
A15
OE
I/O7
I/O6
GND
V

CC

I/O5
I/O4
A14
A13
A12
A11
A10
CS2

BLOCK DIAGRAM

512K x 8

512K x 8

A

0-18

OE

WE

CS

1

CS

2

I/O

0-7

(1)
(1)

PIN CONFIGURATION FOR WS1M8-XDJX

AND WS1M8-XFX

A0-18 Address Inputs
I/O0-7 Data Input/Output
CS1-2 Chip Selects

OE Output Enable
WE Write Enable
VCC +5.0V Power

GND Ground

PIN DESCRIPTION

NOTE:

1. CS

1 and CS2 are used to select the lower and upper 512Kx8 of the device. CS1 and CS2 must not be enabled at the same time.

■ Organized as two banks of 512Kx8

■ Commercial, Industrial and Military Temperature Ranges

■ 5 Volt Power Supply

■ Low Power CMOS

■ TTL Compatible Inputs and Outputs

PIN CONFIGURATION FOR WS1M8-XCX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17

A18
A16
A14
A12

A7
A6
A5
A4
A3
A2
A1

A0
I/O0
I/O1
I/O2

GND

V

CC

A15
A17
WE
A13
A8
A9
A11
CS2
A10
CS1
I/O7
I/O6
I/O5
I/O4
I/O3

32 DIP

TOP VIEW

BLOCK DIAGRAM

512K x 8

512K x 8

A

0-18

WE

CS

1

CS

2

I/O

0-7

(1)

(1)

A0-18 Address Inputs
I/O0-7 Data Input/Output
CS1-2 Chip Selects

WE Write Enable
VCC +5.0V Power

GND Ground

PIN DESCRIPTION

2

White Electronic Designs Corporation • [phone] • www.whiteedc.com

WS1M8-XXX

TRUTH TABLEABSOLUTE MAXIMUM RATINGS

Parameter Symbol Min Max Unit

Operating Temperature T

A -55 +125 °C

Storage Temperature T

STG -65 +150 °C

Signal Voltage Relative to GND V

G -0.5 Vcc+0.5 V

Junction Temperature T

J 150 °C

Supply Voltage V

CC -0.5 7.0 V

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

NOTE: OE is internally tied to the GND and not accessible on the WS1M8-XCX.

RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Condition Max Unit

Input capacitance CIN

VIN = 0V, f = 1.0MHz

20 pF

Output capicitance C

OUT

V

OUT

= 0V, f = 1.0MHz

20 pF

This parameter is guaranteed by design but not tested.

Parameter Symbol Min Max Unit

Supply Voltage V

CC 4.5 5.5 V

Input High Voltage V

IH 2.2 VCC + 0.3 V

Input Low Voltage V

IL -0.3 +0.8 V

Operating Temp. (Mil.) T

A -55 +125 °C

CAPACITANCE

(TA = +25°C)

DC CHARACTERISTICS

(V

CC

= 5.0V, VSS = 0V, TA = -55°C to +125°C)

Parameter Sym Conditions Units

Min Max

Input Leakage Current ILI VCC = 5.5, VIN = GND to VCC 10 µA
Output Leakage Current ILO1CS = VIH, OE = VIH, VOUT = GND to VCC 10 µA
Operating Supply Current ICC1CS = VIL, OE = VIH, f = 5MHz, Vcc = 5.5 180 mA
Standby Current ISB1CS = VIH, OE = VIH, f = 5MHz, Vcc = 5.5 40 mA
Output Low Voltage VOL IOL = 8mA 0.4 V
Output High Voltage V

OH IOH = -4.0mA 2.4 V

Parameter Symbol Conditions Units

Min Typ Max

Data Retention Supply Voltage V

DR CS ≥ VCC -0.2V 2.0 5.5 V

Data Retention Current I

CCDR1 VCC = 3V 3.0 18.0* mA

LOW POWER DATA RETENTION CHARACTERISTICS (WS1M8L-XXX ONLY)

(TA = -55°C to +125°C)

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

1. OE is internally tied to the GND and not accessible on the WS1M8-XCX.

3

White Electronic Designs Corporation • [phone] • www.whiteedc.com

WS1M8-XXX

AC CHARACTERISTICS

(VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C)

Parameter Symbol -17 -20 -25 -35 -45 -55 Units
Read Cycle Min Max Min Max Min Max Min Max Min Max Min Max

Read Cycle Time tRC 17 20 25 35 45 55 ns
Address Access Time tAA 17 20 25 35 45 55 ns
Output Hold from Address Change tOH 000 000ns
Chip Select Access Time tACS 17 20 25 35 45 55 ns
Output Enable to Output Valid tOE

2

9 1012252525ns

Chip Select to Output in Low Z tCLZ

1

222 444ns

Output Enable to Output in Low Z t OLZ

2

000 000ns

Chip Disable to Output in High Z tCHZ

1

9 1012152020ns

Output Disable to Output in High Z t

OHZ

2

9 1012152020ns

1. This parameter is guaranteed by design but not tested.

2. OE is internally tied to the GND and not accessible on the WS1M8-XCX.

AC CHARACTERISTICS

(V

CC

= 5.0V, VSS = 0V, TA = -55°C to +125°C)

Parameter Symbol -17 -20 -25 -35 -45 -55 Units
Write Cycle Min Max Min Max Min Max Min Max Min Max Min Max

Write Cycle Time tWC 17 20 25 35 45 55 ns
Chip Select to End of Write tCW 14 14 15 25 35 50 ns
Address Valid to End of Write tAW 14 14 15 25 35 50 ns
Data Valid to End of Write tDW 91010202525ns
Write Pulse Width tWP 14 14 15 25 35 40 ns
Address Setup Time tAS 0000 0 0ns
Address Hold Time tAH 0000 5 5ns
Output Active from End of Write tOW

1

2344 5 5ns

Write Enable to Output in High Z tWHZ

1

9 9 10 15 15 25 ns

Data Hold Time t

DH 0000 0 0ns

1. This parameter is guaranteed by design but not tested.

I

Current Source

D.U.T.

C = 50 pf

eff

I

OL

V ≈ 1.5V
(Bipolar Supply)

Z

Current Source

OH

NOTES:

V

Z is programmable from -2V to +7V.

I

OL & IOH programmable from 0 to 16mA.

Tester Impedance Z

0 = 75 Ω.

V

Z is typically the midpoint of VOH and VOL.

I

OL & IOH

are adjusted to simulate a typical resistive load circuit.

ATE tester includes jig capacitance.

AC TEST CIRCUIT

AC TEST CONDITIONS

Parameter Typ Unit

Input Pulse Levels VIL = 0, VIH = 3.0 V
Input Rise and Fall 5 ns
Input and Output Reference Level 1.5 V
Output Timing Reference Level 1.5 V

4

White Electronic Designs Corporation • [phone] • www.whiteedc.com

WS1M8-XXX

WS32K32-XHX

TIMING WAVEFORM - READ CYCLE

WRITE CYCLE - CS CONTROLLED

WRITE CYCLE - WE CONTROLLED

ADDRESS

DATA I/O

WRITE CYCLE 1, WE CONTROLLED

t

AW

t

CW

t

AH

t

WP

t

DW

t

WHZ

t

AS

t

OW

t

DH

t

WC

DATA VALID

CS

WE

ADDRESS

DATA I/O

WRITE CYCLE 2, CS CONTROLLED

t

AW

t

AS

t

CW

t

AH

t

WP

t

DH

t

DW

t

WC

CS

WE

DATA VALID

ADDRESS

DATA I/O

READ CYCLE 2 (WE = V

IH

)

t

AA

t

ACS

t

OE

t

CLZ

t

OLZ

t

OHZ

t

RC

DATA VALID

HIGH IMPEDANCE

CS

OE

t

CHZ

ADDRESS

DATA I/O

READ CYCLE 1 (CS = OE = V

IL

, WE = VIH)

t

AA

t

OH

t

RC

DATA VALIDPREVIOUS DATA VALID

NOTE: OE is internally tied to the GND and not accessible on the WS1M8-XCX.

5

White Electronic Designs Corporation • [phone] • www.whiteedc.com

WS1M8-XXX

ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES

PACKAGE 100: 36 LEAD, CERAMIC SOJ

1.27 (0.050) TYP

23.37 (0.920) ± 0.25 (0.010)

PIN 1 IDENTIFIER

21.59 (0.850) TYP

11.3 (0.446)

± 0.2 (0.009)

0.43 (0.017)
± 0.05 (0.002)

4.76 (0.184) MAX

0.89 (0.035)
Radius TYP

0.20 (0.008)

± 0.05 (0.002)

9.55 (0.376) ± 0.25 (0.010)

1.27 (0.050) ± 0.25 (0.010)

PACKAGE 226: 36 LEAD, CERAMIC FLAT PACK

ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES

23.37 (0.920)
± 0.25 (0.010)

32.64 (1.285) TYP

12.95 (0.510)

± 0.13 (0.005)

3.8 (0.150)
TYP

3.18 (0.125)
MAX

0.127 (0.005)
± 0.05 (0.002)

PIN 1
IDENTIFIER

1.27 (0.050) TYP

21.59 (0.850) TYP

38.1 (1.50) ± 0.4 (0.015)

12.7 (0.500)
± 0.5 (0.020)

5.1 (0.200)
± 0.25 (0.010)

0.43 (0.017)
± 0.05 (0.002)

6

White Electronic Designs Corporation • [phone] • www.whiteedc.com

WS1M8-XXX

ORDERING INFORMATION

LEAD FINISH:

Blank = Gold plated leads
A = Solder dip leads

DEVICE GRADE:

M= Military Screened -55°C to +125°C
I = Industrial -40°C to +85°C
C = Commercial 0°C to +70°C

PACKAGE:

C = 32 pin Ceramic 0.600" DIP (Package 300)
DJ = 36 Lead Ceramic SOJ (Package 100)
F = 36 Lead Ceramic Flatpack (Package 226)

ACCESS TIME (ns)

IMPROVEMENT MARK:

Blank = Standard Power
L = Low Power Data Retention

ORGANIZATION, two banks of 512K x 8

SRAM

WHITE ELECTRONIC DESIGNS CORP.

W S 1M8 X - XXX X X X

PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED

2.5 (0.100)
TYP

1.27 (0.050)

± 0.1 (0.005)

0.46 (0.018)

± 0.05 (0.002)

0.99 (0.039)

± 0.51 (0.020)

3.2 (0.125) MIN

0.25 (0.010)

± 0.05 (0.002)

15.25 (0.600)

± 0.25 (0.010)

42.8 (1.686) MAX

5.13 (0.202) MAX

PIN 1 IDENTIFIER

ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES