參數(shù)資料
型號(hào): μPD4264805
廠商: NEC Corp.
英文描述: 8,388,608 Words by 8 Bits CMOS dynamic RAMs(64M 動(dòng)態(tài)RAM)
中文描述: 8388608字8位的CMOS(6400動(dòng)態(tài)RAM動(dòng)態(tài)存儲(chǔ)器)
文件頁(yè)數(shù): 8/36頁(yè)
文件大?。?/td> 226K
代理商: ΜPD4264805
μ
PD4264805, 42S65805, 4265805
8
Electrical Specifications
All voltages are referenced to GND.
After power up (V
CC
V
CC (MIN.)
), wait more than 100
μ
s (RAS, CAS inactive) and then, execute eight CAS
before RAS or RAS only refresh cycles as dummy cycles to initialize internal circuit.
Absolute Maximum Ratings
Parameter
Symbol
Condition
Rating
Unit
Voltage on any pin relative to GND
V
T
–0.5 to +4.6
V
Supply voltage
V
CC
–0.5 to +4.6
V
Output current
I
O
50
mA
Power dissipation
P
D
1
W
Operating ambient temperature
T
A
0 to +70
C
Storage temperature
T
stg
–55 to +125
C
Caution
Exposing the device to stress above those listed in Absolute Maximum Ratings could cause
permanent damage. The device is not meant to be operated under conditions outside the limits
described in the operational section of this specification. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Supply voltage
V
CC
3.0
3.3
3.6
V
High level input voltage
V
IH
2.0
V
CC
+ 0.3
V
Low level input voltage
V
IL
–0.3
+0.8
V
Operating ambient temperature
T
A
0
70
C
Capacitance (T
A
= 25 C, f = 1 MHz)
Parameter
Symbol
Test condition
MIN.
TYP.
MAX.
Unit
Input capacitance
C
I1
Address
5
pF
C
I2
RAS, CAS, WE, OE
7
Data input/output capacitance
C
I/O
I/O
7
pF
相關(guān)PDF資料
PDF描述
μPD4265805 8,388,608 Words by 8 Bits CMOS dynamic RAMs(64M 動(dòng)態(tài)RAM)
μPD431009 1M-Bit CMOS Fast Static RAM(1M位CMOS 快速靜態(tài))
μPD431232AL 1M CMOS synchronous Fast static RAM(1M 位CMOS 同步快速靜態(tài)RAM)
μPD431532L 1M-Bit CMOS Synchronous Fast SRAM(1M CMOS同步快速靜態(tài)RAM)
μPD431536L 1M-Bit CMOS Synchronous Fast Static RAM(1M CMOS 同步快速靜態(tài)RAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PD42-CAMG13 制造商:P-TEC 制造商全稱:P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display
PD42-CAMO12 制造商:P-TEC 制造商全稱:P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display
PD42-CAMR21 制造商:P-TEC 制造商全稱:P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display
PD42-CAMR24 制造商:P-TEC 制造商全稱:P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display
PD42-CAMY01 制造商:P-TEC 制造商全稱:P-tec Corporation 功能描述:Three Digit 7 Segment 0.56” Display