參數(shù)資料
型號(hào): TPU3035
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: CONNECTOR ACCESSORY
中文描述: 連接器附件
文件頁(yè)數(shù): 20/73頁(yè)
文件大?。?/td> 1183K
代理商: TPU3035
PRELIMINARY DATA SHEET
TPU 3035, TPU 3040
MICRONAS INTERMETALL
20
3.6.15. DRAM Interface Characteristics
Symbol
Parameter
Pin No.
Min.
Typ.
Max.
Unit
Test Conditions
V
IL
Input Low Voltage
3
0.8
V
V
IH
Input High Voltage
2.0
V
V
OL
Output Low Voltage
3 to 18
0.4
V
I
L
= 1.6 mA
V
OH
Output High Voltage
2.4
V
I
L
=
0.5 mA
t
T
Output Transition Time
5
10
ns
C
L
= 15 pF
V
OL(max)
V
OH(min)
3.6.15.1. Fast Mode Timing
at f
CLK
= 20.25 MHz
Symbol
Parameter
Pin No.
Min.
Typ.
Max.
Unit
Test Conditions
t
PC
Page Mode Cycle Time
6
98.8
ns
t
CAS
CAS Pulse Width
60
60
ns
t
CP
CAS Precharge Time
10
10
ns
t
RP
RAS Precharge Time
5
90
90
ns
t
RSH
RAS Hold Time
5, 6
30
40
ns
t
CSH
CAS Hold Time
110
110
ns
t
RCD
RAS to CAS Delay Time
25
45
ns
t
CRP
CAS to RAS Precharge Time
10
55
ns
t
ASR
Row Address Setup Time
5, 7 to 18
0
55
ns
t
RAH
Row Address Hold Time
15
15
ns
t
AR
Column Address Hold Time
90
105
ns
t
RAL
Column Address Lead Time
55
55
ns
t
ASC
Column Address Setup Time
6, 7 to 18
0
5
ns
t
CAH
Column Address Hold Time
25
60
ns
t
RRH
Read Command Hold Time
4, 5
10
80
ns
t
RCH
Read Command Hold Time
4, 6
0
50
ns
t
WCH
Write Command Hold Time
25
90
ns
t
WCS
Write Command Setup Time
0
30
ns
t
DOHR
DATA Output Hold Time
3, 5
90
105
ns
t
DOS
DATA Output Setup Time
3, 6
0
0
ns
t
DOH
DATA Output Hold Time
25
60
ns
t
DIS
DATA Input Setup Time
20
ns
t
DIH
DATA Input Hold Time
0
ns
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