Datasheet > EDI8L32128C

EDI8L32128C

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
WEDC		/
页数	文件大小	规格书
5页	347K
描述
128Kx32 CMOS High Speed Static RAM

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EDI8L32128C 数据手册

EDI8L32128C

White Electronic Designs

128Kx32 CMOS High Speed Static RAM

FEATURES

DESCRIPTION

The EDI8L32128C is a high speed, high performance,

four megabit density Static RAM organized as a 128Kx32

bit array.



128Kx32 bit CMOS Static



Random Access Memory Array



Fast Access Times: 12, 15, 17, 20, and 25ns

Individual Byte Enables

Four Chip Enables, Write Control, and Output Enable

provide the user with a ﬂexible memory solution. The user

may independently enable each of the four bytes, and,

with minimal additional peripheral logic, the unit may be

conﬁgured as a 256Kx16 or 512Kx8 array.

User Conﬁgurable Organization with Minimal

Additional Logic



Master Output Enable and Write Control

TTL Compatible Inputs and Outputs

Fully Static, No Clocks

Fully asynchronous circuitry is used, requiring no clocks or

refreshing for operation and providing equal access and

cycle times for ease of use.



Surface Mount Package

The EDI8L32128C, allows 4 megabits of memory to be

placed in less than 0.990 square inches of board space; a

savings of 0.885 square inches over four standard 128Kx8

components.



68 Lead PLCC, No. 99 (JEDEC MO-47AE)

Small Footprint, 0.990 Sq. In.

Multiple Ground Pins for Maximum Noise

Immunity

NOTE: Solder Reﬂow temperature should not exceed 230°C

Single +5V (±5%) Supply Operation

FIG. 1 PIN CONFIGURATION

TOP VIEW

PIN DESCRIPTION

AØ-16

EØ-3#

Address Inputs

Chip Enables (One per Byte)

Master Write Enable

Master Output Enable

Common Data Input/Output

Power (+5V±5%)

60 DQ14

59 DQ13

58 DQ12

57 V_SS

DQ17 10

DQ18 11

DQ19 12

V_SS13

DQØ-31

V_CC

56 DQ11

55 DQ10

54 DQ9

53 DQ8

52 VCC

51 DQ7

50 DQ6

49 DQ5

48 DQ4

47 V_SS

V_SS

Ground

DQ20 14

DQ21 15

DQ22 16

DQ23 17

V_CC18

DQ24 19

DQ25 20

DQ26 21

DQ27 22

V_SS23

No Connection

BLOCK DIAGRAM

0-A16

E0#

E1#

E2#

E3#

46 DQ3

45 DQ2

44 DQ1

DQ28 24

DQ29 25

DQ30 26

DQ0-DQ7

128Kx32

Memory

Array

DQ8-DQ15

DQ16-DQ23

DQ24-DQ31

NOTE: Pin 2 & 67 on the 64Kx32 (EDI8L3265C) and the 256Kx32 (EDI8L32256C) are word select pins.

White Electronic Designs Corp. reserves the right to change products or speciﬁcations without notice.

August, 2002

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

Rev. 6

12 3 4 5

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