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參數資料
| 型號： | μPD43256B |
| 廠商： | NEC Corp. |
| 英文描述： | 256K-Bit CMOS Static RAM(256K CMOS 靜態存儲器) |
| 中文描述： | 256K位CMOS靜態RAM（256K的CMOS靜態存儲器） |
| 文件頁數： | 1/24頁 |
| 文件大小： | 174K |
| 代理商： | ΜPD43256B |
1990, 1993, 1994
DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD43256B
256K-BIT CMOS STATIC RAM
32K-WORD BY 8-BIT
Description
The
μ
PD43256B is a high speed, low power, and 262, 144 bits (32,768 words by 8 bits) CMOS static RAM.
Battery backup is available (L, LL, A, and B versions). And A and B versions are wide voltage operations.
The
μ
PD43256B is packed in 28-pin plastic DIP, 28-pin plastic SOP and 28-pin plastic TSOP (I).
Features
32,768 words by 8 bits organization
Fast access time: 70, 85, 100, 120, 150 ns (MAX.)
Wide voltage range (A version: V
CC
= 3.0 to 5.5 V, B version: V
CC
= 2.7 to 5.5 V)
2 V data retention
OE input for easy application
Access time
ns (MAX.)
Operating
supply voltage
V
Operating
temperature
°
C
Standby
supply current
μ
A (MAX.)
Data retention
supply current
Note 1
μ
A (MAX.)
Part number
μ
PD43256B-L
70, 85
4.5 to 5.5
0 to 70
50
3
μ
PD43256B-LL
70, 85
15
2
μ
PD43256B-A
85, 100
Note 2
, 120
Note 2
3.0 to 5.5
μ
PD43256B-B
Note 2
100, 120, 150
2.7 to 5.5
Notes 1.
T
A
≤
40 C, V
CC
= 3 V
2.
Access time : 85 ns (MAX.) (V
CC
= 4.5 to 5.5 V)
Version X and P
This data sheet can be applied to the version X and P. Each version is identified with its lot number. Letter X in
the fifth character position in a lot number signifies version X, letter P, version P.
The information in this document is subject to change without notice.
The mark shows major revised points.
Document No. M10770EJ9V0DS00 (9th edition)
Date Published May 1997 N
Printed in Japan
D43256B
JAPAN
Lot number
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PD43-272M | 功能描述:固定電感器 2.7uH 20% .079ohm Choke SMT Inductor RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| PD43-273M | 功能描述:固定電感器 27uH 20% .522ohm Choke SMT Inductor RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| PD43-332M | 功能描述:固定電感器 3.3uH 20% .086ohm Choke SMT Inductor RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| PD43-333K | 功能描述:固定電感器 33uH 10% .54ohm Choke SMT Inductor RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| PD43-392M | 功能描述:固定電感器 3.9uH 20% .094ohm Choke SMT Inductor RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
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