參數(shù)資料
型號： UPD448012-X
廠商： NEC Corp.
英文描述： 8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
中文描述： 800萬位CMOS靜態(tài)RAM為512k字由16位溫度范圍
文件頁數(shù)： 4/24頁
文件大?。?/td> 147K
代理商： UPD448012-X
Data Sheet M14466EJ5V0DS
4
μ
PD448012-X
Block Diagram
Address buffer
Address
buffer
Row
decoder
Memory cell array
8,388,608 bits
Input data
controller
A0
A18
I/O9 - I/O16
/CE1
/WE
/OE
CE2
/UB
/LB
Output data
controller
I/O1 - I/O8
V
CC
GND
Sense amplifier /
Switching circuit
Column decoder
Truth Table
/CE1
CE2
/OE
/WE
/LB
/UB
Mode
I/O
Supply current
I/O1 - I/O8
I/O9 - I/O16
H
×
×
×
×
×
Not selected
High impedance
High impedance
I
SB
×
L
×
×
×
×
L
H
H
H
×
×
Output disable
High impedance
High impedance
I
CCA
L
H
L
L
Word read
D
OUT
D
OUT
L
H
Lower byte read
D
OUT
High impedance
H
L
Upper byte read
High impedance
D
OUT
×
L
L
L
Word write
D
IN
D
IN
L
H
Lower byte write
D
IN
High impedance
H
L
Upper byte write
High impedance
D
IN
×
×
×
×
H
H
Not selected
High impedance
High impedance
I
SB
Remark
×
: V
IH
or V
IL
相關(guān)PDF資料
PDF描述
UPD448012GY-B55X-MJH 8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
UPD448012GY-B70X-MJH 8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
UPD448012GY-B85X-MJH 8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
UPD448012GY-B10X-MJH Hook-Up Wire; Conductor Size AWG:20; No. Strands x Strand Size:7 x 28; Jacket Color:Green; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes
UPD448012GY-C10X-MJH Hook-Up Wire; Conductor Size AWG:20; No. Strands x Strand Size:7 x 28; Jacket Color:Light Blue; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes
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