Mosel Vitelic V53C317405A-60T, V53C317405A-60K, V53C317405A-50T, V53C317405A-50K Datasheet
MOSEL VITELIC
1
V53C317405A
4M X 4 EDO PAGE MODE
CMOS DYNAMIC RAM
V53C317405A Rev. 0.2 September 1998
V53C317405A 50 60
Max. RAS
Access Time, (t
RAC
) 50 ns 60 ns
Max. Column Address Access Time, (t
CAA
) 25 ns 30 ns
Min. Extended Data Out Page Mode Cycle Time, (t
PC
) 20 ns 25 ns
Min. Read/Write Cycle Time, (t
RC
) 84 ns 104 ns
Features
■
4M x 4-bit organization
■
EDO Page Mode for a sustained data rate
of 50 MHz
■
RAS access time: 50, 60, 70 ns
■
Low power dissipation
■
Read-Modify-Write, RAS-Only Refresh,
CAS-Before-RAS Refresh, Hidden Refresh
■
Refresh Interval: 2048 cycles/32 ms
■
Available in 24/26-pin 300 mil SOJ,
and 24/26-pin 300 mil TSOP-II
■
Single +3.3 V
±
10% Power Supply
■
TTL Interface
Description
The V53C317405A is a 4,194,304 x 4 bit highperformance CMOS dynamic random access
memory. The V53C317405A offers Page mode
operation with Extended Data Output. The
V53C317405A has a symmetric address, 11-bit row
and 11-bit column.
All inputs are TTL compatible. EDO Page Mode
operation allows random access up to 2048 x 4 bits,
within a page, with cycle times as short as 20ns.
These features make the V53C317405A ideally
suited for a wide variety of high performance
computer systems and peripheral applications.
Device Usage Chart
Operating
Temperature
Range
Package Outline Access Time (ns) Power
Temperature
MarkK T 50 60 Std.
0
°
C to 70
°
C•••• • Blank
2
MOSEL VITELIC
V53C317405A
V53C317405A Rev. 0.2 September 1998
V
CC
I/O
1
I/O
2
WE
RAS
NC
A
10
A
0
A
1
A
2
A
3
V
CC
V
SS
I/O
4
I/O
3
CAS
OE
A
9
A
8
A
7
A
6
A
5
A
4
V
SS
5
6
8
9
10
11
12
1
2
3
4
24
23
22
21
19
18
17
16
15
13 14
511740502-02
26
25
Pin Names
A
0
–A
10
Row, Column Address Inputs
RAS Row Address Strobe
CAS Column Address Strobe
WE Write Enable
OE Output Enable
I/O
1
–I/O
4
Data Input, Output
V
CC
+3.3V Supply
V
SS
0V Supply
NC No Connect
Description Pkg. Pin Count
SOJ K 24/26
TSOP-II T 24/26
24/26 Pin Plastic SOJ /TSOP-II
PIN CONFIGURATION
Top View
MOSEL VITELIC
V53C317405A
3
V53C317405A Rev. 0.2 September 1998
Absolute Maximum Ratings*
Operating temperature range ..................0 to 70
°
C
Storage temperature range ............... -55 to 150
°
C
Input/output voltage....-0.5 to min (V
CC
+0.5, 4.6) V
Power supply voltage .........................-1.0V to 4.6V
Power dissipation .......................................... 0.5 W
Data out current (short circuit)......................50 mA
*
Note: Operation above Absolute Maximum Ratings can
adversely affect device reliability.
Capacitance*
T
A
= 25
°
C, V
CC
= 3.3 V
±
10%, V
SS
= 0 V, f = 1 MHz
*Note: Capacitance is sampled and not 100% tested.
Symbol Parameter Min. Max. Unit
C
IN1
Address Input — 5 pF
C
IN2
RAS
, CAS, WE, OE —7 pF
C
OUT
Data Input/Output — 7 pF
Block Diagram
No. 2 Clock
Generator
Data In
Buffer
Data Out
Buffer
Column
Address
Buffers (11)
Refresh
Controller
Row
Decoder
Refresh
Counter (11)
No. 1 Clock
Generator
Voltage Down
Generator
Row
Address
Buffers (11)
11
4
I/O1 I/O2 I/O3 I/O4
4
OE
11
11 11
4
2048
VCC
VCC (internal)
2048
x4
Memory Array
2048 x 2048 x 4
Sense Amplifier
I/O Gating
Column
Decoder
A0
CAS
WE
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
RAS
11
511740500-03
4096 x 4
4
V53C317405A Rev. 0.2 September 1998
MOSEL VITELIC
V53C317405A
DC and Operating Characteristics
(1-2)
T
A
= 0
°
C to 70
°
C, V
CC
= 3.3 V
±
10%, V
SS
= 0 V, t
T
= 2ns, unless otherwise specified.
Symbol Parameter
Access
Time
V53C317405A
Unit Test Conditions NotesMin. Typ. Max.
I
LI
Input Leakage Current
(any input pin)
–10 10
m
AV
SS
£
V
IN
£
V
CC
+ 0.5V 1
I
LO
Output Leakage Current
(for High-Z State)
–10 10
m
AV
SS
£
V
OUT
£
V
CC
+ 0.5V
RAS
, CAS at V
IH
other input
³
V
SS
1
I
CC1
V
CC
Supply Current,
Operating
50 120 mA t
RC
= t
RC
(min.) 2, 3, 4
60 110
I
CC2
V
CC
Supply Current,
TTL Standby
2 mA RAS
, CAS at V
IH
other inputs
³
V
SS
I
CC3
V
CC
Supply Current,
RAS
-Only Refresh
50 120 mA t
RC
= t
RC
(min.) 2, 4
60 110
I
CC4
V
CC
Supply Current,
EDO Page Mode
Operation
50 70 mA Minimum Cycle 2, 3, 4
60 55
I
CC5
V
CC
Supply Current,
during CAS
-before-RAS
Refresh
50 120 mA 2, 4
60 110
I
CC6
V
CC
Supply Current,
CMOS Standby
1.0 mA RAS
³
V
CC
– 0.2 V,
CAS
³
V
CC
– 0.2 V
other input
³
V
SS
1
V
CC
Power Supply Voltage 3.0 3.3 3.6 V
V
IL
Input Low Voltage –0.5 0.8 V 1
V
IH
Input High Voltage 2.0 V
CC
+0.5 V 1
V
OL
Output Low Voltage 0.4 V I
OL
= 2 mA 1
V
OH
Output High Voltage 2.4 — V I
OH
= –2 mA 1
5
MOSEL VITELIC
V53C317405A
V53C317405A Rev. 0.2 September 1998
AC Characteristics
(5, 6)
T
A
= 0 to 70 ˚C,V
CC
= 3.3 V
±
10 %, t
T
= 2 ns
# Symbol Parameter
-50 -60
Unit Notemin. max. min. max.
Common Parameters
1t
RC
Random read or write cycle time 84 – 104 – ns
2t
RP
RAS
precharge time 30 – 40 – ns
3t
RAS
RAS
pulse width 50 10k 60 10k ns
4t
CAS
CAS
pulse width 8 10k 10 10k ns
5t
ASR
Row address setup time 0–0–ns
6t
RAH
Row address hold time 8 – 10 – ns
7t
ASC
Column address setup time 0–0–ns
8t
CAH
Column address hold time 8 – 10 – ns
9t
RCD
RAS to CAS delay time 12 37 14 45 ns
10 t
RAD
RAS to column address delay 10 25 12 30 ns
11 t
RSH
RAS hold time 13 15 – ns
12 t
CSH
CAS hold time 40 50 – ns
13 t
CRP
CAS to RAS precharge time 5–5–ns
14 t
T
Transition time (rise and fall) 1 50 1 50 ns 7
15 t
REF
Refresh period – 32 – 32 ms
Read Cycle
16 t
RAC
Access time from RAS –50–60ns8, 9
17 t
CAC
Access time from CAS –13–15ns8, 9
18 t
CAA
Access time from column address – 25 – 30 ns 8,10
19 t
OEA
OE access time – 13 – 15 ns
20 t
RAL
Column address to RAS lead time 25 – 30 – ns
21 t
RCS
Read command setup time 0–0–ns
22 t
RCH
Read command hold time 0–0–ns11
23 t
RRH
Read command hold time referenced to RAS 0–0–ns11
24 t
CLZ
CAS to output in low-Z 0–0–ns8
25 t
OFF
Output buffer turn-off delay 0 13 0 15 ns 12
26 t
OEZ
Output turn-off delay from OE 013015ns12
27 t
DZC
Data to CAS low delay 0–0–ns13
28 t
DZO
Data to OE low delay 0–0–ns13
29 t
CDD
CAS high to data delay 10 – 13 – ns 14
30 t
ODD
OE high to data delay 10 – 13 – ns 14
6
V53C317405A Rev. 0.2 September 1998
MOSEL VITELIC
V53C317405A
Write Cycle
31 t
WCH
Write command hold time 8 – 10 – ns
32 t
WP
Write command pulse width 8 – 10 – ns
33 t
WCS
Write command setup time 0–0–ns15
34 t
RWL
Write command to RAS lead time 8 – 10 – ns
35 t
CWL
Write command to CAS lead time 8 – 10 – ns
36 t
DS
Data setup time 0–0–ns16
37 t
DH
Data hold time 8 – 10 – ns 16
Read-modify-Write Cycle
38 t
RWC
Read-write cycle time 113 – 138 – ns
39 t
RWD
RAS to WE delay time 64 – 77 – ns 15
40 t
CWD
CAS to WE delay time 27 – 32 – ns 15
41 t
AWD
Column address to WE delay time 39 – 47 – ns 15
42 t
OEH
OE command hold time 10 – 13 – ns
EDO Page Mode Cycle
43 t
PC
EDO page mode cycle time 20 – 25 – ns
44 t
CP
CAS precharge time 8 – 10 – ns
45 t
CPA
Access time from CAS precharge – 27 – 32 ns 7
46 t
COH
Output data hold time 5–5–ns
47 t
RASP
RAS pulse width in EDO mode 50 200k 60 200k ns
48 t
RHPC
CAS precharge to RAS Delay 27 – 32 – ns
49 t
OES
OE setup time prior to CAS 5–5 ns
EDO Page Mode Read-modify-Write Cycle
50 t
PRWC
EDO page mode read-write cycle time 58 – 68 – ns
51 t
CPWD
CAS precharge to WE 41–49–ns
CAS-before-RAS Refresh Cycle
52 t
CSR
CAS setup time 10 – 10 – ns
53 t
CHR
CAS hold time 10 – 10 – ns
54 t
RPC
RAS to CAS precharge time 5–5–ns
55 t
WRP
Write to RAS precharge time 10 – 10 – ns
56 t
WRH
Write hold time referenced to RAS 10–10–ns
AC Characteristics
(5, 6)
TA = 0 to 70 ˚C,VCC = 3.3 V ± 10 %, tT = 2 ns
# Symbol Parameter
-50 -60
Unit Notemin. max. min. max.
7
MOSEL VITELIC
V53C317405A
V53C317405A Rev. 0.2 September 1998
CAS-before-RAS Counter Test Cycle
57 t
CPT
CAS precharge time 35 – 40 – ns
Test Mode
61 t
WTS
Write command setup time 10 – 10 – ns
62 t
WTH
Write command hold time 10 – 10 – ns
63 t
CHRT
CAS hold time 30 – 30 – ns
64 t
RAHT
RAS hold time in test mode 30 – 30 – ns
AC Characteristics
(5, 6)
TA = 0 to 70 ˚C,VCC = 3.3 V ± 10 %, tT = 2 ns
# Symbol Parameter
-50 -60
Unit Notemin. max. min. max.
8
V53C317405A Rev. 0.2 September 1998
MOSEL VITELIC
V53C317405A
Notes:
1) All voltages are referenced to VSS.
2) I
CC1
, I
CC3
, I
CC4
and I
CC5
depend on cycle rate.
3) I
CC1
and I
CC4
depend on output loading. Specified values are obtained with the output open.
4) Address can be changed once or less while RAS
= VIL. In case of I
CC4
it can be changed once or less during a EDO
page mode cycle
5) An initial pause of 200 ms is required after power-up followed by 8 RAS
cycles of which at least one cycle has to be
a refresh cycle, before proper device operation is achieved. In case of using the internal refresh counter, a minimum
of 8 CAS
-before-RAS initialization cycles instead of 8 RAS cycles are required.
6) AC measurements assume t
T
= 2 ns.
7) V
IH (min.)
and V
IL (max.)
are reference levels for measuring timing of input signals. Transition times are also measured
between V
IH
and VIL.
8) Measured with the specified current load and 100 pF at V
OL
= 0.8 V and VOH = 2.0 V. Access time is determined
by the latter of t
RAC
, t
CAC
, t
CAA,tCPA
, t
OEA
. t
CAC
is measured from tristate.
9) Operation within the t
RCD (max.)
limit ensures that t
RAC (max.)
can be met. t
RCD (max.)
is specified as a reference point
only. If t
RCD
is greater than the specified t
RCD (max.)
limit, then access time is controlled by t
CAC
.
10) Operation within the t
RAD (max.)
limit ensures that t
RAC (max.)
can be met. t
RAD (max.)
is specified as a reference point
only. If t
RAD
is greater than the specified t
RAD (max.)
limit, then access time is controlled by t
CAA
.
11) Either t
RCH
or t
RRH
must be satisfied for a read cycle.
12) t
OFF (max.)
, t
OEZ (max.)
define the time at which the output achieves the open-circuit conditions and are not referenced
to output voltage levels. t
OFF
is referenced from the rising edge of RAS or CAS, whichever occurs last.
13) Either t
DZC
or t
DZO
must be satisfied.
14) Either t
CDD
or t
ODD
must be satisfied.
15) t
WCS
, t
RWD
, t
CWD
and t
AWD
are not restrictive operating parameters. They are included in the data sheet as electri-
cal characteristics only. If t
WCS
> t
WCS (min.)
, the cycle is an early write cycle and data out pin will remain open-circuit
(high impedance) through the entire cycle; if t
RWD
> t
RWD (min.)
, t
CWD
> t
CWD (min.)
and t
AWD
> t
AWD (min.)
, the cycle
is a read-write cycle and I/O will contain data read from the selected cells. If neither of the above sets of conditions
is satisfied, the condition of I/O (at access time) is indeterminate.
16) These parameters are referenced to the CAS
leading edge in early write cycles and to the WE leading edge in
read-write cycles.
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