DRAM. TC514256J-12 Datasheet

TC514256J-12 DRAM. Datasheet pdf. Equivalent

Part TC514256J-12
Description DRAM
Feature TOSHIBA MOS MEMORY PRODUCT 262,144 WORDS X 4 BIT DYNAMIC RAM SI LICON GATE CMOS DESCRIPTION TC5142.
Manufacture Toshiba
Datasheet
Download TC514256J-12 Datasheet




TC514256J-12
TOSHIBA MOS MEMORY PRODUCT
262,144 WORDS X 4 BIT DYNAMIC RAM
SI LICON GATE CMOS
DESCRIPTION
TC514256P/J/Z-85, TC514256P/J/Z-l0
TC514256P/J/Z-12
The TCs142s6P/J/Z is the new generation dynamic RAM organized 262,144 words by 4
bit. The TCs142s6P/J/Z utilizes TOSHIBA's CMOS Silicon gate process technology as well
as advanced circuit techniques to provide wide operating margins, both internally and to
the system user. Multiplexed address inputs permit the TCs142s6P/J/Z to be packaged in a
standard 20 pin plastic DIP and 26/20 pin plastic SOJ and 20/19 pin plastic ZIP. The
package size provides high system bit densities and is compatible with widely available
automated testing and insertion equipment. System oriented features include single power
supply of 5V±10% tolerance, direct interfacing capability with high performance logic
families such as Schottky TTL.
FEATURES
• 262,144 words by 4 bit organization
• Fast access time and cycle time
TC5l42s6P/J/Z-Bs-lO-12
tRAC R:AS Access Time
B5ns lOOns l20ns
tAA
Column Address
Access Time
45n9 SOns 60ns
tCAC CAS Access Time
30ns 30ns 35ns
tRC Cycle Time
l65ns 190ns 220ns
tpc Fast Page Mode
Cycle Time
SOns ssns 70ns
• Single power supply of sV±lO% with a built-
in VBB generator
PIN CONNECTION (TOP VIEW)
Plastic DIP
VOL
1/02
WRIH
iUJJ
N.C.
AO
Al
A2
A3
1
VCC
Oi
A8
A7
AIS
Mi
A'
Plastic SOJ
(/0 1 1
1/02 2
WRITE 3
HAS ,
N.C. 0
AO
Al
A2
A3
vcc
Plastic ZIP
PIN NAr·1ES
AO"'A8
m
Address Inputs
Row Address Strobe
~ Column Address Strobe
WRITE Read/Write Input
DE Output Enable
1/01'" 1/04 Data Input/Output
Vce Power (+5V)
VSS Ground
N.C. No Connection
• Low Power
4l3mW MAX. Operating(TCs14256P/J/Z-Bs)
3sBmW MAX. Operating(TCs142s6P/J/Z-lO)
303mW MAX. Operating(TCs142s6P/J/Z-12)
s.smW MAX. Standby
• Output unlatched at cycle end allows
two-dimensional chip selection
• Read-Modify-Write, CAS before RAS
refresh, RAS-only refresh, Hidden
refresh, and Fast P~ge Mode capability
• All inputs and outputs TTL compatible
• 512 refresh cycles/Bms
• Package Plastic DIP: TCs142s6P
Plastic SOJ: TCs14256J
Plastic ZIP: TCs14256Z
BLOCK DIAGRAr-1
VOl V02 V03 I/O'
AO
Al
A2
A3
A'
AO
AIS
A7
A8
':T;aG'fRATS 3.A;:;
~ENERATOR
- A-141 -



TC514256J-12
TC514256P/ J/Z-85, TC514256P/ J/Z-l 0
TC514256P/J/Z-12
ABSOLUTE MAXIMUM RATINGS
ITEM
Input Voltage
Output Voltage
Power Supply Voltage
Operating Temperature
Storage Temperature
Soldering Temperature • Time
Power Dissipation
Short Circuit Output Current
SYMBOL
VIN
VOUT
VCC
TOPR
TSTG
TSOLDER
PD
lOUT
RATING
-1 '" 7
-1 '" 7
-1 '" 7
/
o '" 70
-55 '" 150
260 • 10
600
50
RECOMMENDED DC OPERATING CONDITIONS (Ta=O '" 70 Gc)
SYMBOL
VCC
VIH
VIL
PARAMETER
Supply Voltage
Input High Voltage
Input Low Voltage
MIN.
4.5
2.4
-1.0
TYP.
MAX.
5.0 5.5
- 6.5
- 0.8
UNITS
V
V
tv
°c
GC
GC • sec
mW
rnA
UNIT
V
V
V
NOTES
1
1
1
1
1
1
1
1
NOTES
2
2
2
DC ELECTRICAL CHARACTERISTICS (VCC=5V±10%, Ta=O '" 70°C)
SYMBOL
ICCI
ICC 2
ICC3
ICC4
ICC5
PARAMETER
OPERATING CURRENT
Average Power Supply Operating Current
(RAS, CAS, Address Cycling: tRC=tRC MIN.)
STANDBY CURRENT
Power Supply Standby Current
(RAS=CAS=VIH)
RAS ONLY REFRESH CURRENT
Average Power Supply Current, RAS Only Mode
(RAS Cycling, CAS=VIH: tRC=tRC MIN.)
FAST PAGE MODE CURRENT
Average Power Supply Current, Fast Page Mode
(RAS=VIL,CAS,Address Cycling: tpC=PC MIN.)
STANDBY CURRENT
Power' Supply Standby Current
(RAS=CAS=VCC-0.2V)
MIN. MAX. UNITS
-TC514256B/J/Z-85
75
-T C514.2 56IY.T/Z - 1 0
65
rnA
-TC514.2561XT/Z-12
55
- 2 rnA
TC514256B/J/Z-B 5
T C514.2561XT/Z-:-IO
TC514256P/.T/Z-12
TC5142561XT/Z-B5
TC5H256IVJ/Z-10
TC5142561XT/Z-12
-
-
-
-
-
-
75
65
55
55
45
35
rnA
rnA
- 1 rnA
NOTES
""~- ........
3,4
3
3,4
CAS BEFORE RAS REFRESH CURRENT
-TC514256B/J/Z-B5
75
ICC6 Average Power Supply Current, CAS Before
RAS Mode (RAS, ~ Cycling: tRC=RC MIN.)
-TC5142561XT/Z-IO
65 rnA 3
-TC514256B/J/Z-12
55
INPUT LEAKAGE CURRENT
II(L) Input Leakage Current, any input (OV~VIN~6.5V, All
Other Pins Not Under Test=OV)
-10 10 IJA
1O(L)
OUTPUT LEAKAGE CURRENT
(DOUT is disabled, OV ~ VOUT ~ VCC)
-10 10 IJA
VOH
OUTPUT LEVEL
Output "H" Level VOLTAGE (1OUT=-5mA)
VOL
OUTPUT LEVEL
Output "L" Level VOLTAGE (IOUT=4.2mA)
2.4 -
- 0.4
V
V
- A-142-







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