HYNIX HY57V641620HG-I

HY57V641620HG-I Series
4 Banks x 1M x 16Bit Synchronous DRAM
DESCRIPTION
The Hynix HY57V641620HG is a 67,108,864-bit CMOS Synchronous DRAM, ideally suited for the Mobile applications r which require
low power consumption and extended temperature range. HY57V641620HG is organized as 4banks of 1,048,576x16.
HY57V641620HG is offering fully synchronous operation referenced to a positive edge of the clock. All inputs and outputs are synchronized with the rising edge of the clock input. The data paths are internally pipelined to achieve very high bandwidth. All input and output
voltage levels are compatible with LVTTL.
Programmable options include the length of pipeline (Read latency of 2 or 3), the number of consecutive read or write cycles initiated
by a single control command (Burst length of 1,2,4,8 or Full page), and the burst count sequence(sequential or interleave). A burst of
read or write cycles in progress can be terminated by a burst terminate command or can be interrupted and replaced by a new burst
read or write command on any cycle. (This pipelined design is not restricted by a `2N` rule.)
FEATURES
•
Single 3.3±0.3V power supply Note)
•
Auto refresh and self refresh
•
All device pins are compatible with LVTTL interface
•
4096 refresh cycles / 64ms
•
JEDEC standard 400mil 54pin TSOP-II with 0.8mm
of pin pitch
•
Programmable Burst Length and Burst Type
•
All inputs and outputs referenced to positive edge of
system clock
•
Data mask function by UDQM or LDQM
•
Internal four banks operation
- 1, 2, 4, 8 or Full page for Sequential Burst
- 1, 2, 4 or 8 for Interleave Burst
•
Programmable CAS Latency ; 2, 3 Clocks
ORDERING INFORMATION
Part No.
Clock Frequency
HY57V641620HGT-5I/55I/6I/7I
200/183/166/143MHz
HY57V641620HGT-KI
133MHz
HY57V641620HGT-HI
133MHz
HY57V641620HGT-8I
125MHz
HY57V641620HGT-PI
100MHz
HY57V641620HGT-SI
100MHz
HY57V641620HGLT-5I/55I/6I/7I
200/183/166/143MHz
HY57V641620HGLT-KI
133MHz
HY57V641620HGLT-HI
133MHz
HY57V641620HGLT-8I
125MHz
HY57V641620HGLT-PI
100MHz
HY57V641620HGLT-SI
100MHz
Power
Organization
Interface
Package
4Banks x 1Mbits
x16
LVTTL
400mil 54pin TSOP II
Normal
Low power
Note : VDD(Min) of HY57V641620HG(L)T-5I/55I/6I is 3.135V
This document is a general product description and is subject to change without notice. Hynix Semiconductor does not assume any responsibility for use
of circuits described. No patent licenses are implied.
Rev. 1.0/Jan. 02
1
HY57V641620HG
PIN CONFIGURATION
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
VDD
LDQM
/WE
/CAS
/RAS
/CS
BA0
BA1
A10/AP
A0
A1
A2
A3
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
54pin TSOP II
400mil x 875mil
0.8mm pin pitch
VSS
DQ15
VSSQ
DQ14
DQ13
VDDQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VDDQ
DQ8
VSS
NC
UDQM
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
VSS
PIN DESCRIPTION
PIN
PIN NAME
DESCRIPTION
CLK
Clock
The system clock input. All other inputs are registered to the SDRAM on the
rising edge of CLK
CKE
Clock Enable
Controls internal clock signal and when deactivated, the SDRAM will be one
of the states among power down, suspend or self refresh
CS
Chip Select
Enables or disables all inputs except CLK, CKE and DQM
BA0,BA1
Bank Address
Selects bank to be activated during RAS activity
Selects bank to be read/written during CAS activity
A0 ~ A11
Address
Row Address : RA0 ~ RA11, Column Address : CA0 ~ CA7
Auto-precharge flag : A10
RAS, CAS, WE
Row Address Strobe,
Column Address Strobe,
Write Enable
RAS, CAS and WE define the operation
Refer function truth table for details
LDQM, UDQM
Data Input/Output Mask
Controls output buffers in read mode and masks input data in write mode
DQ0 ~ DQ15
Data Input/Output
Multiplexed data input / output pin
VDD/VSS
Power Supply/Ground
Power supply for internal circuits and input buffers
VDDQ/VSSQ
Data Output Power/Ground
Power supply for output buffers
NC
No Connection
No connection
Rev. 1.0/Jan. 02
2
HY57V641620HG
FUNCTIONAL BLOCK DIAGRAM
1Mbit x 4banks x 16 I/O Synchronous DRAM
Self refresh logic
& timer
Internal Row
counter
1Mx16 Bank 3
CLK
Row active
Row
Pre
Decoders
1Mx16 Bank 2
CS
Column
Pre
Decoders
UDQM
Y decoders
LDQM
Bank Select
A0
A1
Rev. 1.0/Jan. 02
DQ1
DQ14
DQ15
Column Add
Counter
Address
Registers
Address buffers
A11
BA0
BA1
DQ0
I/O Buffer & Logic
Column
Active
Memory
Cell
Array
Sense AMP & I/O Gate
WE
X decoders
refresh
1Mx16 Bank 0
X decoders
CAS
State Machine
RAS
1Mx16 Bank 1
X decoders
X decoders
CKE
Burst
Counter
Mode Registers
CAS Latency
Data Out Control
Pipe Line Control
3
HY57V641620HG
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Rating
Unit
Ambient Temperature
TA
-40 ~ 85
°C
Storage Temperature
TSTG
-55 ~ 125
°C
Voltage on Any Pin relative to VSS
VIN, VOUT
-1.0 ~ 4.6
V
Voltage on VDD relative to VSS
VDD, VDDQ
-1.0 ~ 4.6
V
Short Circuit Output Current
IOS
50
mA
Power Dissipation
PD
1
W
Soldering Temperature ⋅ Time
TSOLDER
260 ⋅ 10
°C ⋅ Sec
Note : Operation at above absolute maximum rating can adversely affect device reliability
DC OPERATING CONDITION (TA= -40 to 85°C)
Parameter
Symbol
Min
Typ.
Max
Unit
Note
Power Supply Voltage
VDD, VDDQ
3.0
3.3
3.6
V
1,2
Input High Voltage
VIH
2.0
3.0
VDDQ + 2.0
V
1,3
Input Low Voltage
VIL
VSSQ - 2.0
0
0.8
V
1,4
Note :
1.All voltages are referenced to VSS = 0V
2.VDD(min) of HY57V641620HG(L)T-5I/55I/6I is 3.135V
3.VIH (max) is acceptable 5.6V AC pulse width with ≤3ns of duration
4.VIL (min) is acceptable -2.0V AC pulse width with ≤3ns of duration
AC OPERATING CONDITION (TA= -40 to 85°C, VDD=3.3 ± 0.3VNote2, VSS=0V)
Parameter
Symbol
Value
Unit
AC Input High / Low Level Voltage
VIH / VIL
2.4/0.4
V
Vtrip
1.4
V
Input Rise / Fall Time
tR / tF
1
ns
Output Timing Measurement Reference Level
Voutref
1.4
V
CL
50
pF
Input Timing Measurement Reference Level Voltage
Output Load Capacitance for Access Time Measurement
Note
1
Note :
1. Output load to measure access time is equivalent to two TTL gates and one capacitor (50pF)
For details, refer to AC/DC output circuit
2.VDD(min) of HY57V641620HG(L)T-5I/55I/6I is 3.135V
Rev. 1.0/Jan. 02
4
HY57V641620HG
CAPACITANCE (TA=25°C, f=1MHz)
Parameter
Pin
Input capacitance
Data input / output capacitance
Symbol
Min
Max
Unit
CLK
CI1
2
4
pF
A0 ~ A11, BA0, BA1, CKE, CS, RAS,
CAS, WE, UDQM, LDQM
CI2
2.5
5
pF
DQ0 ~ DQ15
CI/O
2
6.5
pF
OUTPUT LOAD CIRCUIT
Vtt=1.4V
RT=250 Ω
Output
Output
50pF
50pF
DC Output Load Circuit
AC Output Load Circuit
DC CHARACTERISTICS I (TA= -40 to 85°C, VDD=3.3±0.3VNote3)
Parameter
Symbol
Min.
Max
Unit
Note
Input Leakage Current
ILI
-1
1
uA
1
Output Leakage Current
ILO
-1
1
uA
2
Output High Voltage
VOH
2.4
-
V
IOH = -4mA
Output Low Voltage
VOL
-
0.4
V
IOL = +4mA
Note :
1.VIN = 0 to 3.6V, All other pins are not tested under VIN =0V
2.DOUT is disabled, VOUT=0 to 3.6
Rev. 1.0/Jan. 02
5
HY57V641620HG
DC CHARACTERISTICS II (TA= -40 to 85°C, VDD=3.3±0.3VNote5, VSS=0V)
Speed
Parameter
Symbol
Test Condition
Unit Note
-5I
-55I
-6I
-7I
-KI
-HI
-8I
-PI
-SI
100
95
90
85
85
85
80
80
80
Operating Current
IDD1
Burst length=1, One bank active
tRC ≥ tRC(min), IOL=0mA
Precharge Standby
Current
in Power Down Mode
IDD2P
CKE ≤ VIL(max), tCK = min
2
mA
IDD2PS
CKE ≤ VIL(max), tCK = ∞
2
mA
IDD2N
CKE ≥ VIH(min), CS ≥ VIH(min), tCK
= min
Input signals are changed one time
during 2clks. All other pins ≥ VDD0.2V or ≤ 0.2V
15
mA
IDD2NS
CKE ≥ VIH(min), tCK = ∞
Input signals are stable.
12
mA
IDD3P
CKE ≤ VIL(max), tCK = min
6
mA
IDD3PS
CKE ≤ VIL(max), tCK = ∞
5
mA
IDD3N
CKE ≥ VIH(min), CS ≥ VIH(min), tCK
= min
Input signals are changed one time
during 2clks. All other pins ≥ VDD0.2V or ≤ 0.2V
30
mA
IDD3NS
CKE ≥ VIH(min), tCK = ∞
Input signals are stable.
20
mA
Burst Mode Operating
Current
IDD4
tCK ≥ tCK(min), IOL=0mA
All banks active
Auto Refresh Current
IDD5
tRRC ≥ tRRC(min), All banks active
Self Refresh Current
IDD6
CKE ≤ 0.2V
Precharge Standby
Current
in Non Power Down Mode
Active Standby Current
in Power Down Mode
Active Standby Current
in Non Power Down Mode
CL=3
170
160
150
150
CL=2
NA
NA
NA
NA
150
150
120
120
120
120
mA
mA
1
1
mA
160
mA
2
1
mA
3
400
uA
4
Note :
1.IDD1 and IDD4 depend on output loading and cycle rates. Specified values are measured with the output open
2.Min. of tRRC (Refresh RAS cycle time) is shown at AC CHARACTERISTICS II
3.HY57V641620HGT-5I/55I/6I/7I/KI/HI/PI/SI
4.HY57V641620HGLT-5I/55I/6I/7I/KI/HI/PI/SI
Rev. 1.0/Jan. 02
6
HY57V641620HG
AC CHARACTERISTICS I (AC operating conditions unless otherwise noted)
-5I
Parameter
-6I
-7I
-KI
-HI
-8I
-PI
-SI
Unit
Min
System clock
cycle time
-55I
Symbol
CAS Latency =
tCK3
3
Max
5
Min
5.5
1000
CAS Latency =
tCK2
2
Max
10
Min Max
Max
7
6
100
0
1000
10
Min
10
Min
Max
7.5
1000
10
Min
Max
7.5
1000
7.5
Min
Max
8
1000
10
Min
Max
10
1000
10
Min
10
1000
10
Note
Max
ns
1000
12
ns
Clock high pulse width
tCHW
1.75
-
2
-
2
-
2.5
-
2.5
-
2.5
-
3
-
3
-
3
-
ns
1
Clock low pulse width
tCLW
1.75
-
2
-
2
-
2.5
-
2.5
-
2.5
-
3
-
3
-
3
-
ns
1
CAS Latency =
tAC3
3
-
4.5
-
5
-
5.4
-
5.4
-
5.4
5.4
-
6
6
-
6
ns
CAS Latency =
tAC2
2
-
6
-
6
-
6
-
6
-
5.4
6
-
6
-
6
-
8
ns
Access time
from clock
2
Data-out hold time
tOH
2.0
-
2.0
-
2.0
-
2.0
-
2.0
-
2.0
-
2.0
-
2.0
-
2.0
-
ns
Data-Input setup time
tDS
1.5
-
1.5
-
1.5
-
1.5
-
1.5
-
1.5
-
2
-
2
-
2
-
ns
1
Data-Input hold time
tDH
0.8
-
0.8
-
0.8
-
0.8
-
0.8
-
0.8
-
1
-
1
-
1
-
ns
1
Address setup time
tAS
1.5
-
1.5
-
1.5
-
1.5
-
1.5
-
1.5
-
2
-
2
-
2
-
ns
1
Address hold time
tAH
0.8
-
0.8
-
0.8
-
0.8
-
0.8
-
0.8
-
1
-
1
-
1
-
ns
1
CKE setup time
tCKS
1.5
-
1.5
-
1.5
-
1.5
-
1.5
-
1.5
-
2
-
2
-
2
-
ns
1
CKE hold time
tCKH
0.8
-
0.8
-
0.8
-
0.8
-
0.8
-
0.8
-
1
-
1
-
1
-
ns
1
Command setup time
tCS
1.5
-
1.5
-
1.5
-
1.5
-
1.5
-
1.5
-
2
-
2
-
2
-
ns
1
Command hold time
tCH
0.8
-
0.8
-
0.8
-
0.8
-
0.8
-
0.8
-
1
-
1
-
1
-
ns
1
1
-
1
-
1
-
1.5
-
1.5
-
1.5
-
1
-
1
-
2
-
ns
3
6
CLK to data output in low Z-time tOLZ
CLK to data
output in high
Z-time
CAS Latency =
tOHZ3
3
5.4
5.4
5.4
CAS Latency =
tOHZ2
2
5.4
5.4
5.4
ns
6
3
6
6
ns
Note :
1.Assume tR / tF (input rise and fall time ) is 1ns
2.Access times to be measured with input signals of 1v/ns edge rate
Rev. 1.0/Jan. 02
7
HY57V641620HG
AC CHARACTERISTICS II
Parameter
Symbo
l
-5I
-55I
-6I
-7I
-KI
-HI
-8I
-PI
-SI
Unit
Min
Max
Min
Max
Min Max
Min
Max
Min
Max
Min
Max
Min Max
Min
Max
Min
Max
Operation
tRC
55
-
55
-
60
-
62
-
65
-
65
-
68
-
70
-
70
-
ns
Auto Refresh
tRRC
60
-
60
-
60
-
62
-
65
-
65
-
68
-
70
-
70
-
ns
RAS to CAS Delay
tRCD
15
-
16.5
-
18
-
20
-
15
-
20
-
20
-
20
-
20
-
ns
RAS Active Time
tRAS
42
100
K
42
120K
45
120K
45
120K
48
100
K
50
120K
50
120K
ns
RAS Precharge Time
tRP
15
-
16.5
-
18
-
20
-
15
-
20
-
20
-
20
-
20
-
ns
RAS to RAS Bank Active
Delay
tRRD
10
-
11
-
12
-
14
-
15
-
15
-
16
-
20
-
20
-
ns
CAS to CAS Delay
tCCD
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
Write Command to Data-In
Delay
tWTL
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
CLK
Data-In to Precharge
Command
tDPL
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
CLK
Data-In to Active Command
tDAL
5
-
5
-
5
-
4
-
4
-
4
-
5
-
3
-
3
-
CLK
DQM to Data-Out Hi-Z
tDQZ
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
CLK
DQM to Data-In Mask
tDQM
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
CLK
MRS to New Command
tMRD
2
-
2
-
2
-
1
-
1
-
1
-
2
-
1
-
1
-
CLK
CAS Latency
=3
tPROZ
3
3
-
3
-
3
-
3
-
3
-
3
-
3
-
3
-
3
-
CLK
CAS Latency
=2
tPROZ
2
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
2
-
CLK
Power Down Exit Time
tPDE
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
Self Refresh Exit Time
tSRE
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
CLK
Refresh Time
tREF
-
64
-
64
-
64
-
64
-
64
-
64
-
64
-
64
-
64
ms
RAS Cycle
Time
Precharge to
Data Output
Hi-Z
38.5 100K 38.5 100K
Note
1
Note :
1. A new command can be given tRRC after self refresh exit
Rev. 1.0/Jan. 02
8
HY57V641620HG
DEVICE OPERATING OPTION TABLE
HY57V641620HG(L)T-5I
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
200MHz(5ns)
3CLKs
3CLKs
7CLKs
10CLKs
3CLKs
4.5ns
2.0ns
183MHz(5.5ns)
3CLKs
3CLKs
7CLKs
10CLKs
3CLKs
5.0ns
2.0ns
166MHz(6ns)
3CLKs
3CLKs
7CLKs
10CLKs
3CLKs
5.4ns
2.0ns
HY57V641620HG(L)T-55I
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
183MHz(5.5ns)
3CLKs
3CLKs
7CLKs
10CLKs
3CLKs
5.0ns
2.0ns
166MHz(6ns)
3CLKs
3CLKs
7CLKs
10CLKs
3CLKs
5.4ns
2.0ns
143MHz(7ns)
3CLKs
3CLKs
7CLKs
10CLKs
3CLKs
5.4ns
2.0ns
HY57V641620HG(L)T-6I
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
166MHz(6ns)
3CLKs
3CLKs
7CLKs
10CLKs
3CLKs
5.4ns
2.0ns
143MHz(7ns)
3CLKs
3CLKs
6CLKs
9CLKs
3CLKs
5.4ns
2.0ns
133MHz(7.5ns)
2CLKs
3CLKs
6CLKs
9CLKs
3CLKs
5.4ns
2.0ns
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
HY57V641620HG(L)T-7I
143MHz(7ns)
3CLKs
3CLKs
6CLKs
9CLKs
3CLKs
5.4ns
2.0ns
133MHz(7.5ns)
3CLKs
3CLKs
6CLKs
9CLKs
3CLKs
5.4ns
2.0ns
100MHz(10ns)
2CLKs
2CLKs
5CLKs
7CLKs
2CLKs
6ns
2.0ns
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
133MHz(7.5ns)
2CLKs
2CLKs
6CLKs
8CLKs
2CLKs
5.4ns
2.0ns
125MHz(8ns)
3CLKs
3CLKs
6CLKs
9CLKs
3CLKs
6ns
2.0ns
100MHz(10ns)
2CLKs
2CLKs
5CLKs
7CLKs
2CLKs
6ns
2.0ns
HY57V641620HG(L)T-KI
HY57V641620HG(L)T-HI
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
133MHz(7.5ns)
3CLKs
3CLKs
6CLKs
9CLKs
3CLKs
5.4ns
2.0ns
125MHz(8ns)
3CLKs
3CLKs
6CLKs
9CLKs
3CLKs
6ns
2.0ns
100MHz(10ns)
2CLKs
2CLKs
5CLKs
7CLKs
2CLKs
6ns
2.0ns
Rev. 1.0/Jan. 02
9
HY57V641620HG-I Series
4 Banks x 1M x 16Bit Synchronous DRAM
HY57V641620HG(L)T-8I
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
125MHz(8ns)
3CLKs
3CLKs
7CLKs
10CLKs
3CLKs
6ns
2.0ns
100MHz(10ns)
2CLKs
2CLKs
5CLKs
7CLKs
3CLKs
6ns
2.0ns
83MHz(12ns)
3CLKs
3CLKs
6CLKs
9CLKs
2CLKs
6ns
2.0ns
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
100MHz(10ns)
2CLKs
2CLKs
5CLKs
7CLKs
2CLKs
6ns
2.0ns
83MHz(12ns)
2CLKs
2CLKs
5CLKs
7CLKs
2CLKs
6ns
2.0ns
66MHz(15ns)
2CLKs
2CLKs
4CLKs
6CLKs
2CLKs
6ns
2.0ns
HY57V641620HG(L)T-PI
HY57V641620HG(L)T-SI
CAS Latency
tRCD
tRAS
tRC
tRP
tAC
tOH
100MHz(10ns)
3CLKs
2CLKs
5CLKs
7CLKs
2CLKs
6ns
2.0ns
83MHz(12ns)
2CLKs
2CLKs
5CLKs
7CLKs
2CLKs
6ns
2.0ns
66MHz(15ns)
2CLKs
2CLKs
4CLKs
6CLKs
2CLKs
6ns
2.0ns
This document is a general product description and is subject to change without notice. Hynix Semiconductor does not assume any responsibility for use
of circuits described. No patent licenses are implied.
Rev. 1.0/Jan. 02
10
HY57V641620HG
COMMAND TRUTH TABLE
Command
A10/
AP
CKEn-1
CKEn
CS
RAS
CAS
WE
DQM
Mode Register Set
H
X
L
L
L
L
X
OP code
H
X
X
X
No Operation
H
X
X
X
L
H
H
H
Bank Active
H
X
L
L
H
H
X
H
X
L
H
L
H
X
ADDR
RA
Read
L
V
H
Write
L
H
X
L
H
L
L
X
CA
Write with Autoprecharge
H
X
L
L
H
L
X
Burst Stop
H
DQM
H
Auto Refresh
H
H
L
L
L
Burst-READ-SingleWRITE
H
X
L
L
Entry
H
L
L
H
Exit
L
H
H
X
L
H
H
L
X
L
V
X
X
V
X
H
X
X
L
L
X
A9 Pin High
(Other Pins OP code)
L
L
H
X
X
X
X
X
X
X
L
H
H
H
H
X
X
X
L
H
H
H
H
X
X
X
L
H
H
H
H
X
X
X
L
V
V
V
L
Precharge
power down
H
X
Precharge selected Bank
Entry
V
H
Precharge All Banks
X
X
Exit
Clock
Suspend
Note
V
CA
Read with Autoprecharge
Self Refresh1
BA
Entry
Exit
L
H
L
H
X
L
H
X
X
X
X
Note :
1. Exiting Self Refresh occurs by asynchronously bringing CKE from low to high
2. X = Don′t care, H = Logic High, L = Logic Low. BA =Bank Address, RA = Row Address, CA = Column Address,
Opcode = Operand Code, NOP = No Operation
Rev. 1.0/Jan. 02
11
HY57V641620HG
PACKAGE INFORMATION
400mil 54pin Thin Small Outline Package
UNIT : mm(inch)
11.938(0.4700)
11.735(0.4620)
22.327(0.8790)
22.149(0.8720)
10.262(0.4040)
10.058(0.3960)
0.150(0.0059)
0.050(0.0020)
0.80(0.0315)BSC
Rev. 1.0/Jan. 02
0.400(0.016)
0.300(0.012)
1.194(0.0470)
0.991(0.0390)
5deg
0deg
0.597(0.0235)
0.406(0.0160)
0.210(0.0083)
0.120(0.0047)
12