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tm
TE CH
T15N1M16A
SRAM
FEATURES
* Fast access time : 55/70/100 ns * Single +2.4 to 3.6V Power Supply * Low power supply current : - Operating :30mA(max) - Standby : 10uA * TTL compatible , Tri-state output * Common I/O capability * Automatic power-down when deselected * Full static operation, no clock or refresh required * Available packages type : - 44-PIN SOJ (400 mil) - 44-PIN TSOP-II (400 mil) - 48-PIN CSP * Operating temperature : 0 ~ +70 C -40 ~ +85 C
64K X 16 LOW POWER CMOS STATIC RAM
GENERAL DESCRIPTION
The T15N1M16A is a low power CMOS Static RAM organized as 65,536 words by 16 bits. That operates on a wide voltage range from +2.4 to 3.6V power supply, Fabricated using high performance CMOS technology, Inputs and three-state outputs are TTL compatible and allow for direct interfacing with common system bus structures. Data retention is guaranteed at a power supply voltage as low as 1.5V.
BLOCK DIAGRAM
Vcc Vss A0 . .
A15
DECODER
PART NUMBER EXAMPLES
PART NO. T15N1M16A-70J T15N1M16A-70S T15N1M16A-70C T15N1M16A-70JI T15N1M16A-70SI T15N1M16A-70CI PACKAGE CODE Operating
Temperature
CORE ARRAY
J=SOJ S=TSOP-II C= CSP J=SOJ S=TSOP-II C= CSP
0 ~ +70 C
-40 ~ +85 C
CE W E OE LB UB
CONTROL CIRCUIT
DATA I/O
I/O1 . . . I/O16
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 1
Publication Date: JUL . 2002 Revision: A
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A4 A3 A2 A1 A0 CE I/O1 I/O2 I/O3 I/O4 VCC VSS I/O5 I/O6 I/O7 I/O8 WE A15 A14 A13 A12 NC
TE CH
T15N1M16A
A5 A6 A7 OE UB LB I/O16 I/O15 I/O14 I/O13 VSS VCC I/O12 I/O11 I/O10 I/O9 NC A8 A9 A10 A11 NC
PIN CONFIGURATIONS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
SOJ & TSOP-II
48-Ball CSP
1 A B C D E F G H
LB
TOP VIEW (Ball Down)
2
OE
3
A0
4
A1
5
A2
6
NC
I/O 9
UB
A3
A4
CE
I/O 1
I/O 1 0
I/O 1 1
A5
A6
I/O 2
I/O 3
VSS
I/O 1 2
NC
A7
I/O 4
VCC
VCC
I/O 1 3
NC
NC
I/O 5
VSS
I/O 1 5
I/O 1 4
A 14
A 15
I/O 6
I/O 7
I/O 1 6
NC
A 12
A 13
WE
I/O 8
NC
A8
A9
A 10
A 11
NC
PIN DESCRIPTIONS
SYMBOL DESCRIPTIONS A0 ~ A15 Address inputs I/O1~I/O16 Data inputs/outputs
CE WE OE
SYMBOL DESCRIPTIONS Lower byte (I/O 1~8) LB
UB
Upper byte (I/O 9~16) Power supply Ground No connection
Publication Date: JUL . 2002 Revision: A
Chip enable Write enable input Output enable input
VCC VSS NC
P. 2
TM Technology Inc. reserves the right to change products or specifications without notice.
tm
TE CH
T15N1M16A
ABSOLUTE MAXIMUM RATINGS*
PARAMETER Voltage on Any Pin Relative to VSS Power Dissipation Storage Temperature Temperature Under Bias SYM VR PD TSTG IBIAS MIN. -0.5 -55 0 / -40 MAX. +4.6 V 0.7 +150 +70 / +85 UNIT V W C C
*Note: Stresses greater than those listed above Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and function operation of the device at these or any other conditions outside those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
TRUTH TABLE
I/O 1~8 I/O 9~16 MODE LB OE WE UB CE H X* X* X* X* High-Z High-Z Deselected X* X* X* H H High-Z High-Z Deselected L H H L X* High-Z High-Z Output Disabled L H H X* L High-Z High-Z Output Disabled L L H L H Data Out High-Z Lower Byte Read L L H H L High-Z Data Out Upper Byte Read L L H L L Data Out Data Out Word Read L X* L L H Data In High-Z Lower Byte Write L X* L H L High-Z Data In Upper Byte Write L X* L L L Data In Data In Word Write *Note: X = Don't Care (Must be low or high state), L = Low, H = High Power
Standby Standby
Active Active Active Active Active Active Active Active
RECOMMENDED OPERATING CONDITIONS
(Ta = 0C to +70C / -40 C ~ +85 C *)
PARAMETER Supply Voltage Input Voltage SYM Vcc VSS MIN 2.4 0.0 2.0 -0.5* TYP 0.0 MAX 3.6 0.0 Vcc+0.3 0.4 UNIT V V V V
VIH VIL
* VIL
min = -1.0V for pulse width less than
tRC/2
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 3
Publication Date: JUL . 2002 Revision: A
tm
Current
TE CH
T15N1M16A
OPERATING CHARACTERISTICS
(Vcc = +2.4 to 3.6V , VSS = 0V, Ta = 0C to +70C / -40C to +85 C)
PARAMETER SYM. TEST CONDITIONS Input Leakage
-55
Min Max Min
-70
Max Min
-100
Min
UNIT
ILI
Vcc = Max, VIN = VSS to Vcc
-1
1
-1
1
-1
1
uA
CE= VIH
Output Leakage Current
ILO
or OE = VIH or WE = VIL VIO = VSS to Vcc
-1
1
-1
1
-1
1
uA
Operating Power Supply Current
ICC
CE = VIL, VIN = VIH or VIL, IOUT=0mA
-
30
-
25
-
20
mA
Cycle time=min, 100% duty
CE =VIH or
Standby Power Supply Current (TTL Level)
I SB
LB = UB =VIH
other input= VIL or
-
0.3
-
0.3
-
0.3
mA
VIH
CE Vcc-0.2V or LB = UB Vcc-0.2V, VIN 0.2V or VIN Vcc-0.2V
Standby Power Supply Current (CMOS Level) Output Low Voltage Output High Voltage
I SB1
-
10
-
10
-
10
uA
VOL VOH
I OL = 2.1mA I OH = -1 mA
2.2
0.4 -
2.2
0.4 -
2.2
0.4 -
V V
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 4
Publication Date: JUL . 2002 Revision: A
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TE CH
T15N1M16A
CAPACITANCE
(f = 1 MHz, Ta = 25C,)
PARAMETER Input Capacitance Input/ Output Capacitance SYMBOL CONDITION VIN = 0V VIN =VOUT = 0V MAX. 8 10 UNIT pF pF
C IN C I/O
Note: This parameter is guaranteed by device characterization and is not production tested.
AC TEST CONDITIONS
PARAMETER Input Pulse Levels Input Rise and Fall Times Input and Output Timing Reference Level Output Load CONDITIONS 0.4V to 2.0V 5.0 ns 1.4V C L =30pF+1TTL Load
AC TEST LOADS AND WAVEFORM
TTL DQ RL 50 ohm C L* Z 0 = 50 ohm Vt =1.4V CL 30 pF
Fig.A * Including Scope and Jig Capacitance
Fig.B Output Load Equivalent
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 5
Publication Date: JUL . 2002 Revision: A
tm
TE CH
T15N1M16A
AC CHARACTERISTICS(Vcc =+2.4 to 3.6V , Vss = 0V, Ta = 0 to +70C / -40 to +85 C) (1) READ CYCLE
PARAMETER Read Cycle Time Address Access Time Chip Enable Access Time Output Enable Access Time Output Hold from Address Change Chip Enable to Output in Low-Z Chip Disable to Output in High-Z Output Enable to Output in Low-Z Output Disable to Output in High-Z LB , UB Access Time LB , UB Enable to Output in Low-Z LB , UB Disable to Output in High-Z SYM.
Min
-55
Max Min
-70
Max Min
-100
Max
UNIT 100 100 50 25 25 100 25 ns ns ns ns ns ns ns ns ns ns ns ns
tRC tAA tACE tOE tOH tLZ tHZ tOLZ tOHZ tBA tBLZ tBHZ
55 10 10 5 10 -
55 55 25 20 20 55 20
70 10 10 5 10 -
70 70 35 25 25 70 25
100 10 10 5 10
(2)WRITE CYCLE
PARAMETER Write Cycle Time Chip Enable to Write End Address Valid to Write End Address Setup Time Write Pulse Width Write Recovery Time Data Valid to Write End Data Hold Time Write Enable to Output in High-Z Output Active from Write End LB , UB Setup to Write End SYM.
Min
-55
Max Min
-70
Max Min
-100
Max
UNIT 30 ns ns ns ns ns ns ns ns ns ns
tWC tCW tAW tAS tWP tWR tDW tDH tWHZ tOW tBW
55 45 45 0 40 0 25 0 0 5 45
20 -
70 60 60 0 50 0 30 0 0 5 60
20 -
100 80 80 0 70 0 40 0 0 5 80
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 6
Publication Date: JUL . 2002 Revision: A
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Address
TE CH
T15N1M16A
TIMING WAVEFORMS READ CYCLE 1
(Address Controlled, CE = OE = VIL , WE =VIH , LB or/and UB = VIL )
tRC
t AA t OH
DOUT
Previous Data Valid
Data Valid
READ CYCLE 2 ( WE =VIH )
tRC
Ad d re s s
tA A
CE
t OH tHZ
t ACE
t BA
UB / LB
tOE
OE
t BHZ
tLZ D
OUT
tBLZ
tOLZ
t OHZ
High-Z
DON'T CARE UNDEFINED
(Chip Enable Controlled)
Notes (READ CYCLE) : 1. WE are high for read cycle. 2. All read cycle timing is referenced from the last valid address to the first transition address. 3. tHZ and tOHZ are defined as the time at which the outputs achieve the open circuit condition referenced to VOH or VOL levels. 4. At any given temperature and voltage condition. tHZ (max.) is less than tLZ (min.) both for a given device and from device to device interconnection. 5. Transition is measured 200mV from steady state voltage with load. This parameter is sampled and not 100% tested. 6. Device is continuously selected with CE =VIL . TM Technology Inc. reserves the right to change products or specifications without notice. P. 7 Publication Date: JUL . 2002 Revision: A
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Ad d r es s CE
TE CH
( WE Controlled)
tWC
T15N1M16A
WRITE CYCLE 1
tAW tCW
tWR
tBW
UB /
LB
tA S tWP
WE
tWHZ tOW
DOUT
High-Z
tDW tDH
DIN
High -Z
WRITE CYCLE 2
Ad d res s
( CE Controlled)
tWC
tAW tCW
tWR
CE
tAS tBW
UB / LB
tWP
WE
DOUT
Hig h -Z
tDW tDH
DIN
Hig h -Z
Hig h -Z DO N' T CARE UNDE FINE D
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 8
Publication Date: JUL. 2002 Revision: A
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Add res s
TE CH
( UB , LB Controlled)
tWC
T15N1M16A
WRITE CYCLE 3
tAW tCW
tWR
UB / LB
t AS tBW
CE
tWP
WE
DOUT
Hig h -Z
tDW tDH
DIN
Hig h -Z
Hig h -Z DO N' T CARE UNDE FINE D
NOTES ( WRITE CYCLE ) : 1. A write occurs during the overlap of a low CE , a low WE . A write begins at the lateat transition among CE goes low, WE going low. A write end at the earliest transition among
CE going high, WE going high. tWP is measured from the beginning of write to the end of write. 2. tCW is measured from the later of CE going low to the end of write.
tAS is measured from the address valid to the beginning of write. 4. tWR is measured from the end of write to the address change.
3.
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 9
Publication Date: JUL. 2002 Revision: A
tm
TE CH
T15N1M16A
DATA RETENTION CHARACTERISTICS
PARAMETER VCC for Data Retention Data Retention Current Chip Deselect to Data Retention Time Operation Recovery Time SYM. VDR ICCDR tCDR tR TEST CONDITION CE VCC -0.2V VIN Vcc -0.2V or VIN 0.2V Vcc=3.0V MIN. 1.5 0 tRC MAX. 10 UNIT V uA ns ns
DATA RETENTION WAVEFORM
(Ta = 0C to +70 / -40C to +85 C)
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 10
Publication Date: JUL. 2002 Revision: A
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44
TE CH
T15N1M16A
PACKAGE DIMENSIONS 44-LEAD SOJ (400 mil)
A1 23
E1
E
1 D
22 C
A2 e B Seating Plane
A
y
SYMBOL A A1 A2 B C D E e E1 y
DIMENSIONS IN INCHES Min. 0.128 0.082 0.015 0.007 1.120 0.395 0.435 Typ. 0.138 0.110 (ref) 0.018 0.008 1.125 0.400 0.050 0.440 0.445 0.004 0.020 0.013 1.130 0.405 0.38 0.18 Max. 0.148 -
DIMENSIONS IN MM Min. 3.25 2.08 Typ. 3.51 2.79 (ref) 0.46 0.20 28.58 10.16 1.27 11.05 11.18 11.30 0.102 0.51 0.33 28.70 10.29 Max. 3.76 -
28.45 10.03
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 11
Publication Date: JUL. 2002 Revision: A
tm
TE CH
T15N1M16A
PACKAGE DIMENSIONS 44-LEAD TSOP-II
D
44 23
E E1
E2
L1 INDEX MARK Mirror finish c e b
22
b1
A c A3 A2 A1 L
c1
SEATING PLANE
Symbol A A1 A2 A3 b b1 c c1 D e E E1 E2 L L1
Dimension in mm Min Nom Max 1.20 0.05 0.1 0.95 1.00 1.05 0.25 0.35(typ) 0.10 0. 15 0.25 0.805 0.10 18.31 18.41 18.51 0.80(typ) 11.56 11.76 11.96 10.03 10.16 10.29 10.76 0.4 0.5 0.6 0.8(typ) 0 8
Dimension in inch Min Nom Max 0.047 0.002 0.004 0.037 0.039 0.041 0.010 0.014(typ) 0.004 0.006 0.010 0.032 0.004 0.721 0.725 0.729 0.031(typ) 0.455 0.463 0.471 0.394 0.400 0.405 0.458 0.016 0.020 0.024 0.032(typ) 0 8
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 12
Publication Date: JUL. 2002 Revision: A
tm
TE CH
T15N1M16A
Units : millimeters
PACKAGE DIMENSIONS 48-pin CSP (8 row x 6 column) 48 BALL FINE PITCH BGA (0.75mm ball pitch)
To p V ie w B ottom V ie w B B1
A 1 IN DE X MA RK
0 .5 0 0.50
# A1
C C1
C1/2 B /2 A E2 D E Y 0.3 0 E1
Symbol A B B1 C C1 D E E1 E2 Y
min 5.95 7.95 0.25 0.20 -
typ 0.75 6.00 3.75 8.00 5.25 0.30 1.10 0.95 0.25 -
max 6.05 8.05 0.35 1.20 0.30 0.08
Notes : 1. Bump counts : 48 (8 row x 6column) 2. Bump pitch : (x,y)=(0.75 x 0.75) typ. 3. All tolerance are 0.050 unless otherwise specified. 4. `Y' is coplanarity : 0.08(max) 5. Units : mm
TM Technology Inc. reserves the right to change products or specifications without notice.
P. 13
Publication Date: JUL. 2002 Revision: A

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