English
Language : 

V53C1664H Datasheet, PDF (5/18 Pages) Mosel Vitelic, Corp – HIGH PERFORMANCE 64K X 16 BIT FAST PAGE MODE DUAL CAS CMOS DYNAMIC RAM
MOSEL VITELIC
V53C1664H
AC Characteristics
TA = 0°C to 70°C, VCC = 5 V ±10%, VSS = 0V unless otherwise noted
AC Test conditions, input pulse levels 0 to 3V
Symbol Parameter
tRAS
tRC
tRP
tCSH
tCAS
tRCD
tRCS
tASR
tRAH
tASC
tCAH
tRSH (R)
tCRP
tRCH
RAS Pulse Width
Read or Write Cycle Time
RAS Precharge Time
CAS Hold Time
CAS Pulse Width
RAS to CAS Delay
Read Command Setup Time
Row Address Setup Time
Row Address Hold Time
Column Address Setup Time
Column Address Hold Time
RAS Hold Time (Read Cycle)
CAS to RAS Precharge Time
Read Command Hold Time
Referenced to CAS
tRRH
Read Command Hold Time
Referenced to RAS
tROH
RAS Hold Time
Referenced to OE
tOAC
Access Time from OE
tCAC
Access Time from CAS
tRAC
Access Time from RAS
tCAA
Access Time from Column
Address
tLZ
OE or CAS to Low-Z Output
tHZ
OE or CAS to High-Z Output
tAR
Column Address Hold Time from
RAS
tRAD
RAS to Column Address
Delay Time
tRSH (W) RAS or CAS Hold Time in
Write Cycle
tCWL
Write Command to CAS
Lead Time
tWCS
tWCH
Write Command Setup Time
Write Command Hold Time
30
35
40
45
50
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit Notes
30 75K 35 75K 40 75K 45 75K 50 75K ns
65
70
75
80
90
ns
25
25
25
25
30
ns
30
35
40
45
50
ns
5
6
7
8
9
ns
15 20 16 24 17 28 18 32 19 36 ns
0
0
0
0
0
ns 4
0
0
0
0
0
ns
5
6
7
8
9
ns
0
0
0
0
0
ns
5
5
5
6
7
ns
10
10
10
10
10
ns
5
5
5
5
5
ns
0
0
0
0
0
ns 5
0
0
0
0
0
ns 5
6
7
8
9
10
ns
10
11
12
13
14 ns 12
10
11
12
13
14 ns 6,7,14
30
35
40
45
50 ns 6, 8, 9
16
18
20
22
24 ns 6,7,10
0
0
0
0
0
ns 16
0 5 0 6 0 6 0 7 0 8 ns 16
26
28
30
35
40
ns
10 14 11 17 12 20 13 23 14 26 ns 11
10
10
10
10
10
ns
10
11
12
13
14
ns
0
0
0
0
0
ns 12, 13
5
5
5
6
7
ns
V53C1664H Rev. 1.0 February 1998
5