參數(shù)資料
型號(hào): UPD44324185F5-E33-EQ2
廠商: NEC Corp.
英文描述: 36M-BIT DDRII SRAM SEPARATE I/O 2-WORD BURST OPERATION
中文描述: 36M條位條DDRII SRAM的分離I / O 2字爆發(fā)運(yùn)作
文件頁(yè)數(shù): 9/32頁(yè)
文件大小: 360K
代理商: UPD44324185F5-E33-EQ2
9
Preliminary Data Sheet
M16782EJ1V0DS
μ
PD44324085, 44324095, 44324185, 44324365
[
μ
PD44324365]
R, /W
/BW0
/BW1
/BW2
/BW3
/LD
K
/K
K
/LD
R, /W
K
ADDRESS
19
D0 to D35
Q0 to Q35
MUX
O
R
/K
K
DATA
REGISTRY
& LOGIC
2
MEMORY
ARRAY
19
x 72
W
D
S
A
O
S
O
B
19
ADDRESS
REGISTRY
& LOGIC
W
R
C, /C
OR
K, /K
CQ,
/CQ
36
72
72
72
36
2
Power-on Sequence
The following two timing charts show the recommended power-on sequence, i.e., when starting the clock after
V
DD
/V
DD
Q stable and when starting the clock before V
DD
/V
DD
Q stable.
1. Clock starts after V
DD
/V
DD
Q stable
V
DD
/V
DD
Q
V
DD
/V
DD
Q Stable (<
±
0.1 V DC per 50 ns)
Clock Start
1,024 cycles or more
Stable Clock
Start
Normal Operation
Clock
2. Clock starts before V
DD
/V
DD
Q stable
V
DD
/V
DD
Q
V
DD
/V
DD
Q Stable (<
±
0.1 V DC per 50 ns)
Clock Start
1,024 cycles or more
Stable Clock
30 ns (MIN.)
DLL Reset or DLL Off
Start
Normal Operation
Clock
相關(guān)PDF資料
PDF描述
UPD44324365F5-E33-EQ2 36M-BIT DDRII SRAM SEPARATE I/O 2-WORD BURST OPERATION
UPD44324085F5-E40-EQ2 36M-BIT DDRII SRAM SEPARATE I/O 2-WORD BURST OPERATION
UPD44324085 36M-BIT DDRII SRAM SEPARATE I/O 2-WORD BURST OPERATION
UPD44324365F5-E40-EQ2 36M-BIT DDRII SRAM SEPARATE I/O 2-WORD BURST OPERATION
UPD44324085F5-E50-EQ2 36M-BIT DDRII SRAM SEPARATE I/O 2-WORD BURST OPERATION
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