Some of contents are subject
to change without notice.
MITSUBISHI LSIs
MH4V6445BXJJ-5,-6,-5S,-6S
HYPER PAGE MODE 268435456-BIT (4194304-WORD BY 64-BIT)DYNAMIC RAM
DESCRIPTION
This is family of 4194304 - word by 64 - bit dynamic RAM
module. This consists of four industry standard 4Mx16 dynamic
RAMs in TSOP and one industry EEPROM in TSSOP.
The mounting of TSOP on a card edge dual in line package
provides any application where high densities and large of
quantities memory are required.
This is a socket-type memory module,suitable for easy
interchange of addition of modules.
FEATURES
RAS
access
time
(max.ns)
MH4V6445BXJJ-5,5S
MH4V6445BXJJ-6,6S
50
60
single 3.3V± 0.3V supply
Low stand-by power dissipation
RFU:Reserved Future Use
NC,RFU,Reserved: NO CONNECTION
PIN
Number
78
86
88
96
Back side
Pin Name
NC
MIT-DS-0233-0.024/Jul./1998
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ELECTRIC
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2
Preliminary
Preliminary
Some of contents are subject
to change without notice.
Block Diagram
Address
/OE
/WE
/RAS0
/CAS0
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
MITSUBISHI LSIs
MH4V6445BXJJ-5,-6,-5S,-6S
HYPER PAGE MODE 268435456-BIT (4194304-WORD BY 64-BIT)DYNAMIC RAM
/CAS4
/LCAS /RAS /WE /OE
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39
/LCAS /RAS /WE /OE
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
/CAS1
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
/CAS2
DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
/CAS3
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
/UCAS
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O16
/LCAS /RAS /WE /OE
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
/UCAS
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O16
D0
D1
/CAS5
DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47
/CAS6
DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55
/CAS7
DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63
/UCAS
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O16
/LCAS /RAS /WE /OE
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
/UCAS
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O16
D2
D3
SERIAL PD
Vcc
C1~C4
Vss
MIT-DS-0233-0.024/Jul./1998
D0 to D3
D0 to D3
SCL
MITSUBISHI
A0 A1 A2
SDA
Vss
ELECTRIC
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3
Preliminary
Preliminary
Some of contents are subject
to change without notice.
MH4V6445BXJJ-5,-6,-5S,-6S
HYPER PAGE MODE 268435456-BIT (4194304-WORD BY 64-BIT)DYNAMIC RAM
FUNCTION
The MH4V6445BXJJ provide, in addition to normal
read, write, and read-modify-write operations,
Table 1 Input conditions for each mode
MITSUBISHI LSIs
a number of other functions, e.g., Hyper page mode,
/RAS-only refresh, and delayed-write. The input
conditions for each are shown in Table 1.
Operation
Read
Write (Early write)
Write (Delayed write)
Read-modify-write
/RAS-only refresh
Hidden refresh
/CAS before /RAS refresh
Standby
Self refresh
Note : ACT : active, NAC : nonactive, DNC : don' t care, VLD : valid, IVD : Invalid, APD : applied, OPN : open
*MH4V6445BXJJ-5S,-6S only
*
/RAS/CAS
ACT
ACT
ACT
ACT
ACT
ACT
ACT
NAC
ACTACTNACDNCOPNYESDNCDNCDNC
ACT
ACT
ACT
ACT
NAC
ACT
ACT
DNC
InputsInput/Output
Column
/W
NAC
ACT
ACT
ACT
DNC
NAC
NAC
DNC
/OE
ACT
DNC
DNC
ACT
DNC
ACT
DNC
DNC
Row
address address
APD
APD
APD
APD
APD
APD
DNC
DNC
APD
APD
APD
APD
DNC
DNC
DNC
DNC
Input
OPN
VLD
VLD
VLD
DNC
OPN
DNC
DNC
Output
VLD
OPN
IVD
VLD
OPN
VLD
OPN
OPN
RefreshRemark
YES
YES
YES
YES
YES
YES
YES
NO
Hyper
page mode
identical
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MITSUBISHI
ELECTRIC
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4
Preliminary
Preliminary
Some of contents are subject
to change without notice.
HYPER PAGE MODE 268435456-BIT (4194304-WORD BY 64-BIT)DYNAMIC RAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Vcc
VI
VO
IO
Pd
Topr
Tstg
Supply voltage
Input voltage
Output voltage
Output current
Power dissipation
Operating temperature
Storage temperature-40~ 100
ParameterConditions
MITSUBISHI LSIs
MH4V6445BXJJ-5,-6,-5S,-6S
With respect to Vss
Ta=25°C
Ratings
-0.5~4.6
-0.5~4.6
-0.5~4.6
50
4
0~ 70
Unit
V
V
V
mA
W
°C
°C
RECOMMENDED OPERATING CONDITIONS
Symbol
Vcc
Vss
VIH
VIL
Note 1 : All voltage values are with respect to Vss
Supply voltage
Supply voltage
High-level input voltage, all inputs
Low-level input voltage, all inputs
ELECTRICAL CHARACTERISTICS
Symbol
VOH
VOL
IOZ
I I
ICC1 (AV)
ICC2
ICC4(AV)
ICC6(AV)
Note 2: Current flowing into an IC is positive, out is negative.
3: Icc1 (AV), Icc4 (AV) and Icc6 (AV) are dependent on cycle rate. Maximum current is measured at the fastest cycle rate.
4: Icc1 (AV) and Icc4 (AV) are dependent on output loading. Specified values are obtained with the output open.
5: Column address can be changed once or less while /RAS=VIL and /CAS=VOH
High-level output voltage
Low-level output voltage
Off-state output current
Input current
Average supply
current
from Vcc operating
Supply current from Vcc , stand-by
Average supply current
from Vcc
Hyper-Page-Mode
Average supply current
from Vcc
/CAS before /RAS refresh
mode
Note 6: An initial pause of 500us is required after power-up followed by a minimum of eight initialization cycles (any combination of cycles
containing a /RAS clock such as /RAS-Only refresh).
Note the /RAS may be cycled during the initial pause . And any 8 /RAS or /RAS /CAS cycles are required after prolonged periods
(greater than 64 ms) of /RAS inactivity before proper device operation is achieved.
7: Measured with a load circuit equivalent to 100pF. The reference levels for measuring of output signals are 2.0(VOH)and 0.8(VOL).
8: Assumes that tRCD≥tRCD(max), tASC≥tASC(max) and tCP≥tCP(max).
9: Assumes that tRCD≤tRCD(max) and tRAD≤tRAD(max). If tRCD or tRAD is greater than the maximum recommended value shown in
this table,tRAC will increase by amount that tRCD exceeds the value shown.
10: Assumes that tRAD≥tRAD(max) and tASC≤tASC(max).
11: Assumes that tCP≤tCP(max) and tASC≥tASC(max).
12: tOEZ (max), tWEZ(max), tOFF(max) and tREZ(max) defines the time at which the output achieves the high impedance state
(IOUT≤ ±10uA) and is not reference to VOH(min) or VOL(max).
13: Output is disable after both /RAS and /CAS go to high
Access time from /CAS
Access time from /RAS
Column address access time
Access time from /CAS precharge
Access time from /OE
Output hold time /CAS high
Output hold time /RAS high
Output low impedance time from /CAS low
Output disable time after /OE high
Output disable time after /WE high
Output disable time after /CAS high
Output disable time after /RAS high
Output hold time from /CAS low
(Ta=0~70°C, Vcc=3.3V±0.3V, Vss=0V, unless otherwise noted , see notes 6,14,15)
Note 14: The timing requirements are assumed tT =2ns.
15: VIH(min) and VIL(max) are reference levels for measuring timing of input signals.
16: tRCD(max) is specified as a reference point only. If tRCD is less than tRCD(max), access time is tRAC. If tRCD is greater than
tRCD(max), access time is controlled exclusively by tCAC or tAA. .
17: tRAD(max) is specified as a reference point only. If tRAD≥tRAD(max) and tASC≤tASC(max), access time is controlled exclusively by tAA.
18: tASC(max) is specified as a reference point only. If tRCD≥tRCD(max) and tASC≥tASC(max), access time is controlled exclusively by
tCAC.
19: Either tDZC or tDZO must be satisfied.
20: Either tRDD or tCDD or tODD must be satisfied.
21: tT is measured between VIH(min) and VIL(max).
Refresh cycle time
Refresh cycle time(S-version ONLY)
/RAS high pulse width
Delay time, /RAS low to /CAS low
Delay time, /CAS high to /RAS low
Delay time, /RAS high to /CAS low
/CAS high pulse width
Column address delay time from /RAS low
Row address setup time before /RAS low
Column address setup time before /CAS low
Row address hold time after /RAS low
Column address hold time after /CAS low
Delay time, data to /CAS low
Delay time, data to /OE low
Delay time, /RAS high to data
Delay time, /CAS high to data
Delay time, /OE high to data
Transition time
/CAS low pulse width
/CAS hold time after /RAS low
/RAS hold time after /CAS low
Write setup time before /CAS low
Write hold time after /CAS low
/CAS hold time after /W low
/RAS hold time after /W low
Write pulse width
Data setup time before /CAS low or /W low
Data hold time after /CAS low or /W low
(Note 24)
-5,-5S
MinMax
84
50
10000
8
10000
35
13
0
0
0
25
13
13
13
-5,-5S
MinMax
84
50
10000
8
10000
35
13
0
8
8
8
8
0
8
Limits
MinMax
104
60
10000
10
10000
40
15
0
0
0
30
1823
15
15
Limits
-6,-6S
MinMax
104
10000
60
10000
10
40
15
0
10
10
10 13
10
0
10
-7,-7S
Unit
MinMax
130
ns
70
10000
ns
ns
10000
1355
ns
20
ns
0
ns
0
ns
10
ns
35
ns
ns
20
ns
20
ns
-7,-7S
Unit
MinMax130
ns
10000
70
ns
10000
ns
13
ns
5520
ns
0
ns
13
ns
13
ns
ns
13
ns
0
ns
ns
13
MITSUBISHI LSIs
nsnsnsnsnsnsnsnsnsnsnsns
nsnsnsnsnsnsnsnsnsnsnsns
Read-Write and Read-Modify-Write Cycles
Limits
ParameterSymbol
tRWC
tRAS
tCAS
tCSH
tRSH
tRCS
tCWD
tRWD
tAWD
tOEH
Note 23: tRWC is specified as tRWC(min)=tRAC(max)+tODD(min)+tRWL(min)+tRP(min)+4tT.
24:tWCS, tCWD,tRWD ,tAWD and,tCPWD are specified as reference points only. If tWCS≥tWCS(min) the cycle is an early write cycle
and the DQ pins will remain high impedance throughout the entire cycle. If tCWD≥tCWD(min), tRWD≥tRWD (min), tAWD≥tAWD(min)
and tCPWD≥tCPWD(min) (for Hyper page mode cycle only), the cycle is a read-modify-write cycle and the DQ will contain the
data read from the selected address. If neither of the above condition (delayed write) of the DQ (at access time and until /CAS or /OE
goes back to VIH) is indeterminate.
MIT-DS-0233-0.024/Jul./1998
Read write/read modify write cycle time
/RAS low pulse width
/CAS low pulse width
/CAS hold time after /RAS low
/RAS hold time after /CAS low
Read setup time before /CAS low
Delay time, /CAS low to /W low
Delay time, /RAS low to /W low
Delay time, address to /W low
/OE hold time after /W low
(Note21)
(Note24)
(Note24)
(Note24)
MITSUBISHI
-5,-5S
MinMax
109
75 10000
38
10000
70
38
0
28
65
40
13
-6,-6S
MinMax
133
10000
89
44
10000
82
44
0
32
77
47
15
-7,-7S
Unit
MinMax
161
ns
10000
107
ns
ns
10000
5799
ns
57
ns
ns
0
ns
4292
ns
ns
57
ns
20
Unit
nsnsnsnsnsnsnsnsnsns
ELECTRIC
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7
MITSUBISHI LSIs
Preliminary
Preliminary
Some of contents are subject
to change without notice.
Hyper Page Mode Cycle (Read, Early Write, Read -Write, Read-Modify-Write Cycle,
Read Write Mix Cycle,Hi-Z control by /OE or /WE) (Note 25)
Note 25: All previously specified timing requirements and switching characteristics are applicable to their respective Hyper page mode cycle.
26: tRAS(min) is specified as two cycles of /CAS input are performed.
27: tCP(max) is specified as a reference point only.If tCP≥tCP(max),access time is controlled exclusively by tCAC.
Hyper page mode read/write cycle time
Hyper page mode read write/read modify write cycle time
/RAS low pulse width for read write cycle
/CAS high pulse width
/RAS hold time after /CAS precharge
Delay time, /CAS precharge to /W low
Hold time to maintain the data Hi-Z until /CAS access
/OE Pulse Width (Hi-Z control)
/W Pulse Width (Hi-Z control)
Delay time, /CAS low to /W low after read
Delay time, Address to /W low after read
Delay time, /CAS precharge to /W low after read
Delay time, /CAS low to /OE high after read
Delay time, Address to /OE high after read
Delay time, /CAS prechargeto /OE high after read
MH4V6445BXJJ-5,-6,-5S,-6S
HYPER PAGE MODE 268435456-BIT (4194304-WORD BY 64-BIT)DYNAMIC RAM
Limits
ParameterSymbol
(Note26)
(Note27)
(Note24)
-5,-5S
MinMax
20
55
100000
65
13
8
28
43
7
7
7
28
40
43
13
25
28
-6,-6S
MinMax
25
66
100000
77
16
10
33
50
7
7
7
32
47
50
15
30
33
-7,-7S
Unit
MinMax
30
ns
79
ns
100000
92
ns
16
10
ns
40
ns
62
ns
7
ns
7
ns
7
ns
42
ns
72
ns
ns
8220
ns
35
ns
ns
40
Unit
nsnsnsnsnsnsnsnsnsnsnsnsnsnsns
/CAS before /RAS Refresh Cycle (Note 28)
Limits
ParameterSymbolUnit
tCSR
tCHR
tRSR
tRHR
Note 28: Eight or more /CAS before /RAS cycles instead of eight /RAS cycles are necessary for proper operation of /CAS before /RAS
refresh mode.
/CAS setup time before /RAS low
/CAS hold time after /RAS low10
Read setup time before /RAS low
Read hold time after /RAS low10
-5,-5S
MinMax
5
10
10
-6,-6S
MinMax
55
105
-7,-7S
Unit
MinMax
ns
15
ns
ns
1510
ns
nsnsnsns
MIT-DS-0233-0.024/Jul./1998
MITSUBISHI
ELECTRIC
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8
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