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PDF GM76C8128CL Data sheet ( Hoja de datos )

Número de pieza GM76C8128CL
Descripción CMOS Static RAM
Fabricantes LG Semicon 
Logotipo LG Semicon Logotipo



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No Preview Available ! GM76C8128CL Hoja de datos, Descripción, Manual

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LG Semicon Co.,Ltd.
GM76C8128CL/CLL-W
131,072 WORDS x 8 BIT
CMOS STATIC RAM
Description
The GM76C8128CL/CLL-W is a 1,048,576 bits
static random access memory organized as 131,072
words by 8 bits. Using a 0.6um advanced CMOS
technology and operated from a single 2.7V to 5.5V
supply. Advanced circuit technique provide both high
speed and low power consumption. The device is
placed in a low power standby mode with /CS1 high
or CS2 low and the output enable (/OE) allows fast
memory access. Thus it is suitable for high speed and
low power applications, especially where battery
back-up is required.
Features
* Fast Speed : 55/70ns at Vcc=5V+/-10%
120/150ns at Vcc=3V+/-10%
* Low Power Standby and Low Power Operation
-Standby : 0.11mW Max. at Vcc=5V+/-10%
49.5uW Max. at Vcc=3V+/-10%
-Operation : 385mW Max. at Vcc=5V+/-10%
66mW Max. at Vcc=3V+D/a-1ta0S%heet4U.com
* Completely Static RAM : No Clock or Timing
Strobe Required
* Equal Access and Cycle Time
* TTL compatible inputs and outputs
* Capability of Battery Back-up Operation
* Single +2.7V ~ +5.5V Operation
* Standard 32 DIP, SOP and TSOP I
A0
A1
A2
Pin Description
Address
Buffer
Pin Configuration
NC 1
A16 2
A14 3
A12 4
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
I/O0 13
I/O1 14
I/O2 15
VSS 16
32 VCC
31 A15
30 CS2
29 /WE
28 A13
27 A8
26 A9
25 A11
24 /OE
23 A10
22 /CS1
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
(Top View)
Block Diagram
10
X
1024 MEMORY CELL ARRAY
1024 x 128 x 8
Decoder
(128K x 8)
Pin
A0-A16
/WE
Function
Address Inputs
Write Enable Input
A14 128 x 8
A15 7 128
A16
Y
Decorder
Column Select
/CS1, CS2
/OE
I/O0-I/O7
VCC
VSS
Chip Select Input
Output Enable Input
Data Inputs/Outputs
Power Supply (2.7V~5.5V)
Ground
/CS1
CS2
/CS1, CS2
Chip
Control
/OE /OE, /WE
Chip
/WE Control
8
I/O Buffer
NC No Connection
121
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GM76C8128CL pdf
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GM76C8128CL/CLL-W
DC Operating Characteristics (VCC = 5V+/-10%, TA = 0 ~ 70C)
Symbol
Parameter
II(L) Input Leakage Current
IO(L) Output Leakage Current
VOH High Level Output Voltage
VOL Low Level Output Voltage
ICC Operating Supply Current
ICC1
Average Operating Current
ICC2
ICCS1
ICCS2
Standby Current (TTL)
Standby Current (CMOS)
*Typ. Values are measured at 25C
Conditions
VIN = 0 to VCC
Min *Typ Max Unit
-1 -
1 uA
/CS1 = VIH or CS2 = VIL
/OE = VIH, VSS <=VOUT<=VCC
-1
-
1 uA
IOH = -1.0mA
2.4 - - V
IOL = 2.1mA
- - 0.4 V
/CS1 = VIL and CS2 = VIH
VIN = VIH/VIL, IOUT = 0mA
- - 15 mA
/CS1 = VIL and CS2 = VIH
VIN = VIH/VIL
IOUT = 0mA
tcycle = Min, cycle
- - 70 mA
/CS1 = 0.2V, CS2 = VCC-0.2V
VIN = VCC - 0.2V/0.2V
IOUT = 0mA
tcycle = 1us
/CS1 = VIH, CS2 = VIL
Da/tCaSS1h=eeVtC4CU-0.c2VomL - Version
CS2 = 0.2V
LL - Version
-
-
-
-
- 10 mA
- 2 mA
-
-
100
20
uA
AC Operating Characteristics
Test Conditions (VCC = 5V+/-10%, TA = 0 ~ 70C, unless otherwise noted.)
Parameter
Value
Input Pulse Level
0.6V to 2.4V
Input Rise and Fall Time
5ns
Input and Output Timing Reference Levels
1.5V
Output Load
See below
Output Load (A)
Output Load (B) (for tCHZ, tCLZ, tWHZ, tOW, tOLZ & tOHZ)
DOUT
+5V
1.8K§Ù
DOUT
+5V
1.8K§Ù
990§Ù
100 §Ü*
990§Ù
5 §Ü*
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GM76C8128CL arduino
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GM76C8128CL/CLL-W
Data Retention Characteristics
Symbol
Parameter
VCCR Data Retention Supply Voltage
Min Typ Max Unit
2.0 - 5.5 V
ICCR Data Retention
Current
VCC=3.0V
L - Version
LL - Version
-
-
1 50 uA
0.5 15*
tCDR Chip Select to Data Retention Time
0 - - ns
tR Operation Recovery Time
tRC** -
- ns
* 3uA max at TA = 0 ~ 40C
** tRC = Read Cycle
* Low VCC Data Retention Mode: (1) /CS1 Controlled
VCC
4.5V
tCDR
Data Retention Mode
tR
2.2V
VCCR1
/CS1>= VCCR - 0.2V
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/CS1
0V
* Low VCC Data Retention Mode: (2) CS2 Controlled
VCC
4.5V
tCDR Data Retention Mode tR
CS2
VCCR2
0.4V
0V
CS2 <= 0.2V
Notes: In Data Retention Mode, CS2 controls the Address, /WE, /CS1, /OE and DIN buffer. If CS2 controls
data retention mode, VIN for these inputs can be in the high impedance state. If /CS1 controls the
data retention mode, CS2 must satisfy either CS2 >_VCCR - 0.2V or CS2<=0.2V. The other input levels
(Address, /WE, /OE, I/O) can be in the high impedance state.
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