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PDF V53C816H Data sheet ( Hoja de datos )
| Número de pieza | V53C816H | |
| Descripción | 512K X 16 FAST PAGE MODE CMOS DYNAMIC RAM | |
| Fabricantes | Mosel Vitelic Corp | |
| Logotipo |  |
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MOSEL VITELIC
V53C816H
512K X 16 FAST PAGE MODE
CMOS DYNAMIC RAM
PRELIMINARY
HIGH PERFORMANCE
Max. RAS Access Time, (tRAC)
Max. Column Address Access Time, (tCAA)
Min. Fast Page Mode Cycle Time, (tPC)
Min. Read/Write Cycle Time, (tRC)
40
40 ns
20 ns
23 ns
75 ns
45
45 ns
22 ns
25 ns
80 ns
50
50 ns
24 ns
28 ns
90 ns
60
60 ns
30 ns
35 ns
110 ns
Features
s 512K x 16-bit organization
s RAS access time: 40, 45, 50, 60 ns
s Fast Page Mode for a sustained data rate
of 43 MHz
s Dual CAS Inputs
s Pin-to-Pin compatible with 256Kx16
s Low power dissipation
s Read-Modify-Write, RAS-Only Refresh,
CAS-Before-RAS Refresh
s Refresh Interval: 512 cycles/8 ms
s Available in 40-pin 400 mil SOJ
s Single +5V Power Supply
s TTL Interface
Description
The V53C816H is a 524,288 x 16 bit high-perfor-
mance CMOS dynamic random access memory.
The V53C816H offers Fast Page mode with dual
CAS inputs. An address, CAS and RAS input ca-
pacitances are reduced to one half when the
256Kx16 DRAM is used to construct the same
memory density. The V53C816H has asymmetric
address, 10-bit row and 9-bit column.
All inputs are TTL compatible. Fast Page Mode
operation allows random access up to 512K x 16
bits, within a page, with cycle times as short as
23ns.
The V53C816H is best suited for graphics, and
buffer memory applications.
Device Usage Chart
Operating
Temperature
Range
0°C to 70 °C
Package Outline
K
•
Access Time (ns)
40 45 50 60
••••
V53C816H Rev. 1.3 February 1999
1
Power
Std.
•
Temperature
Mark
Blank
1 page  
MOSEL VITELIC
V53C816H
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
40 45 50 60
# Symbol
Parameter
Min. Max. Min. Max. Min. Max. Min. Max. Unit Notes
1 tRAS
2 tRC
3 tRP
4 tCSH
5 tCAS
6 tRCD
7 tRCS
8 tASR
9 tRAH
10 tASC
11 tCAH
12 tRSH (R)
13 tCRP
14 tRCH
RAS Pulse Width
40 75 45 75K 50 75K 60 75K ns
Read or Write Cycle Time
75 80 90 110 ns
RAS Precharge Time
25 25 30 40
ns
CAS Hold Time
40 45 50 60
ns
CAS Pulse Width
12 13 14 15
ns
RAS to CAS Delay
17 28 18 32 19 36 20 45 ns
Read Command Setup Time
0 0 0 0 ns
Row Address Setup Time
0 0 0 0 ns
Row Address Hold Time
7 8 9 10 ns
Column Address Setup Time
0 0 0 0 ns
Column Address Hold Time
5 6 7 10 ns
RAS Hold Time (Read Cycle)
12 13 14 15
ns
CAS to RAS Precharge Time
5 5 5 5 ns
Read Command Hold Time Referenced to 0 0 0 0 ns
CAS
4
5
15 tRRH
Read Command Hold Time Referenced to 0
0
0
0
ns 5
RAS
16 tROH
17 tOAC
18 tCAC
19 tRAC
20 tCAA
21 tLZ
22 tHZ
23 tAR
24 tRAD
25 tRSH (W)
26 tCWL
27 tWCS
28 tWCH
29 tWP
30 tWCR
31 tRWL
RAS Hold Time Referenced to OE
Access Time from OE
Access Time from CAS
Access Time from RAS
Access Time from Column Address
OE or CAS to Low-Z Output
OE or CAS to High-Z Output
Column Address Hold Time from RAS
RAS to Column Address Delay Time
RAS or CAS Hold Time in Write Cycle
Write Command to CAS Lead Time
Write Command Setup Time
Write Command Hold Time
Write Pulse Width
Write Command Hold Time from RAS
Write Command to RAS Lead Time
8 9 10 10
12 13 14 15
12 13 14 15
40 45 50 60
20 22 24 30
0000
0 6 0 7 0 8 0 10
30 35 40 50
12 20 13 23 14 26 15 30
12 13 14 15
12 13 14 15
0000
5 6 7 10
5 6 7 10
30 35 40 50
12 13 14 15
ns
ns
ns 6, 7
ns 6, 8, 9
ns 6, 7, 10
ns 16
ns 16
ns
ns 11
ns
ns
ns 12, 13
ns
ns
ns
ns
V53C816H Rev. 1.3 February 1999
5
5 Page 
MOSEL VITELIC
V53C816H
Waveforms of Fast Page Mode Read Cycle
RAS V IH
V IL
V IH
CAS
V IL
ADDRESS V IH
V IL
WE V IH
V IL
OE V IH
V IL
V OH
I/O
V OL
t ASR (8)
t AR (23)
tRAS (1)
t RP (3)
t RCD (6)
t CRP (13)
t PC (42)
t CP (43)
t CAS (5)
t RSH (R)(12)
tCAS (5)
t CRP (13)
t CAS (5)
t RAH (9)
tASC (10)
t CSH (4)
tASC (10)
t CAH (11)
ROW
ADDRESS
t RCS (7)
COLUMN
ADDRESS
COLUMN
ADDRESS
t RCH (14)
t CAH (11)
t RCS (7)
tCAR (44)
t CAH (11)
COLUMN
ADDRESS
t RCS (7)
t RCH (14)
t CAA (20)
t OAC (17)
t CAP (45)
t OAC (17)
tCAA (20)
t OAC (17)
t RRH (15)
t RAC (19)
t CAC (18)
t LZ (21)
t HZ (22)
t CAC (18)
tHZ (22)
t LZ (21)
VALID
DATA OUT
t CAC (18)
t LZ (21)
t HZ (22)
t HZ (22)
VALID
DATA OUT
VALID
DATA OUT
t HZ (22)
t HZ (22)
816H-08
Waveforms of Fast Page Mode Write Cycle
RAS V IH
V IL
V IH
CAS V IL
V IH
ADDRESS
V IL
WE V IH
V IL
t AR (23)
t CRP (13)
t RCD (6)
t PC (42)
t CP (43)
t CAS (5)
t RAH (9)
t ASR (8)
t CSH (4)
t ASC (10)
t CAH (11)
ROW
ADD
t RAD (24)
t WCS (27)
COLUMN
ADDRESS
t CWL (26)
t WCS (27)
t WCH (28)
t WP (29)
t RAS (1)
t CAS (5)
t ASC (10)
t CAH (11)
COLUMN
ADDRESS
t CWL (26)
t WCS (27)
t WCH (28)
t WP (29)
t RP (3)
t RSH (W)(25)
t CAS (5)
t CAR (44)
t CAH (11)
COLUMN
ADDRESS
t CWL (26)
t RWL (31)
tWCH (28)
tWP (29)
OE VIH
VIL
V IH
I/O
V IL
t DS (32)
VALID
DATA IN
t DS (32)
t DH (33)
OPEN
VALID
DATA IN
t DS (32)
t DH (33)
VALID
DATA IN
t DH (33)
OPEN
V53C816H Rev. 1.3 February 1999
Don’t Care
11
t CRP (13)
816H-09
Undefined
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet V53C816H.PDF ] | |
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