Ultra High Performance CMOS Static 8-bit organization Very high s
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GLT725608/08L
Ultra High Performance CMOS Static
8-bit organization Very high speed -10,12,15, standby power
Maximum GLT725608L GLT725608L also provides minimum data retention.
Fully static operation
power supply compatible Three state output Chip enable simple memory expansion. Available 28-Pin plastic DIP, plastic DIP, SOJ, 28-Pin TSOP Packages
GENERAL DESCRIPTION
GLT725608 GLT725608L high performance 256K static random access memory organized bits operate single volt supply. Fabricated with G-Link Technology's very advanced CMOS sub-micron technology, GLT725608, GLT725608L offer combination features: very high speed very stand-by current. addition, this device also supports easy memory expansion with active chip enable (CE) well active output enable (OE) three state outputs. lower power version, GLT725608L also provides typical data retention current minimum data retention voltage.
GLT725608/08L
FUNCTIONAL BLOCK DIAGRAM
A[0] Decoder A[7] Memory Array
A[8]
Input Data Circuit
Column
Column Decoder A[14]
Control Circuit
Figure GLT725608 Block Diagram
Signal Descriptions
Symbol A[14:0] I/O[7:0] Address Inputs Chip Enable Input Output Enable Input Write Enable Input Data Input Data Output Power Supply Ground Description
Truth Table
Mode Selected (Power Down) Output Disabled Read Write Operation High High DOUT Current ICCSB, ICCSB1
G-LINK Technology
GLT725608/08L
ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings
Parameter Ambient Temperature Under Bias Storage Temperature (plastic) Voltage Relative Data Output Current Power Dissipation Ratings -10°C -55°C +125 -0.5 +7.0 Unit
Stresses greater than those listed under ABSOLUTE MAXIMUM RATING cause permanent damage device. This stress rating only functional operation device these other conditions above those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect reliability.
Capacitance 25°C,f MHZ)
Symbol CI/O Input Capacitance Input/Output Capacitance Parameter VI/O Conditions Max. Unit
Characteristics
Symbol ICCSB ICCSB1 Parameter Guaranteed Input Voltage Guaranteed Input High Voltage Input Leakage Current Output Leakage Current Output Voltage Output High Voltage Operating Power Supply Current Standby Power Supply Current Power Down Power Supply Current version only Max, Max, Min, Min, Max, VIL, II/O Fmax Max, VIH, II/O Fmax Max, VCC-0.2 -0.2 Test Conditions -0.3 +0.8 VCC+0.3 -0.3 +0.8 VCC+0.3 -0.3 +0.8 VCC+0.3 -0.3 +0.8 VCC+0.3 Unit
Typical characteristics These absolute values with reject device ground overshoots system tester noise included. FMAX 1/tRC.
G-LINK Technology
GLT725608/08L
Data Retention version only)
Symbol ICCDR tCDR Parameter Data retention Data Retention Current Test Conditions -0.2 -0.2 Chip Deselect Data Retention Time Operating Recovery Time Retention Waveform [1]) Unit
-0.2 -0.2 Read Cycle Time.
Data Retention Mode 4.5V 2.2V -0.2V 2,2V 4.5V
Figure Data Retention Waveform Controlled)
Test Conditions
Parameter Input pulse levels Input rise fall times Input Output Timing Reference level Rating 3.0V
Output Including Scope Output
Including Scope
Input Pulses Thevenin Equivalent Output 1.73 3.0V
Figure Test Loads Waveforms
G-LINK Technology
GLT725608/08L
Characteristics Read Cycle (over commercial operating range)
JEDEC Symbol tAVAX tAVQV tE1LQV tGLQV tE1LQX tGLQX tE1HQZ tGHQZ tAXQX tACS tCLZ tOLZ tCHZ tOHZ Symbol Parameter Read Cycle Time Address Access Time Chip Select Access Time, Output Enable Output Valid Chip Select Output Output Enable Output Chip Deselect Output High Output Disable Output High Output Hold from Address Change Unit
GLT725609 Standard power only.
Characteristics Write Cycle (over commercial operating range)
JEDEC Symbol tAVAX tE1LWH tAVWL tAVWH tWLWH tWHAX tE2LAX tWLQZ tDVWH tWHDX tWHQX tWR1 tWR2 tWHZ Symbol Write Cycle Time Chip Select Write Address Time Address Valid Write Write Pulse Width Write Recovery Time, Write Recovery Time, Write Output High Data Write Time Overlap Data Hold from Write Time Write Output Active Parameter Units
GLT725609 Standard power only.
G-LINK Technology
GLT725608/08L
Read Cycle Address tOH[5] Data Previous Data Valid Data Valid tOH[5]
Read Cycle tACS tCLZ Data tCHZ
Read Cycle ADDRESS
tOLZ[5] tACS[5] tCLZ Data tOHZ tCHZ
high READ Cycle. Device continuously selected VIH. Address valid prior coincident with transition and/or transition high. VIL. Transition measured from steady state with
Figure Read Cycle Timing
G-LINK Technology
GLT725608/08L
Write Cycle 1[1] ADDRESS
[11]
tWPtCW [11]
tWR2
tWR1
tWHZ [10] Data
Data
Write Cycle ADDRESS
[11]
tWR2
tWR1
tWHZ[4] [10] Data
[10]
Data
must high during address transitions. internal write time memory defined overlap 1and active low. signals must active initiate write signal terminate write going inactive. data input setup hold timing should referenced second transition edge signal that terminates write. measured from earlier going high going write cycle. During this period, pins output state that input signals opposite phase outputs must applied. transition high transition occurs simultaneously with transition after transition, outputs remain high impedance state. continuously VIL). DOUT same phase write data this write cycle. DOUT read data next address. high during this period, pins output state. Then data input signals opposite phase outputs must applied them. Transition measured from steady state with measured from later going going high write.
Figure Write Cycle Timing
G-LINK Technology
GLT725608/08L
PACKAGING INFORMATION
View
Figure 28-Pin PDIP, Assignment
View
Figure 28-Pin TSOP Assignment
G-LINK Technology
GLT725608/08L
0.725 0.005
0.335 0.005 0.265 0.01 0.087 0.005 0.010 (0.254
0.30 0.005
0.045
0.050
0.028
0.018
Dimensions millimeters
0.027 0.100 0.005 0.140
Figure 28-Pin Package Dimensions
G-LINK Technology
GLT725608/08L
0.288 0.005
1.388 0.130 0.005 0.010 0.130 0.010
0.310 0.010
0.006 0.005
0.044 0.005
0.100 0.010
0.018 0.005
0.060 0.004
0.350 0.020
Dimensions millimeters
Figure 28-Pin PDIP Package Dimensions
G-LINK Technology
GLT725608/08L
0.544 0.004
1.460 0.005 0.18/0.2 0.130 0.010 0.010 (min) 0.150 0.005 0.610 0.010
0.010 0.004
7.5°
0.044 0.005
0.100 0.010
0.018 0.005
0.060 0.004
0.640 0.020
Figure 28-Pin PDIP Package Dimensions
G-LINK Technology
GLT725608/08L
13.40 11.50
0.15
0.05 Min. 0.20 Max.
0.675 Min.
Detail
Detail
1.00 0.05 Dimensions millimeters
0.55
Figure 28-Pin 13.4 TSOP (Type Package Dimensions
G-LINK Technology
GLT725608/08L
18.40 20.0 0.20
0.05 Min. 0.20 Max.
Detail
Detail
0.15 Dimensions milliimeters 1.00 0.05
0.55
Figure 28-Pin TSOP (Type Package Dimensions
G-LINK Technology
GLT725608/08L
0.713 0.005
0.331 0.005
0.465 0.012 0.087 0.005 0.067 0.008 0.036 0.008
0.047
0.050
0.016 0.004
Dimensions inches
0.002 (0.05) 0.047 (1.20) 0.090 0.005
Figure 28-Pin Package Outline
G-LINK Technology
GLT725608/08L
ORDERING INFORMATION
Part Number GLT725608-12T GLT725608-15T GLT725608-20T GLT725608-12J3 GLT725608-15J3 GLT725608-20J3 GLT725608-10TS GLT725608-12T GLT725608-15T GLT725608-20T GLT725608-12J3 GLT725608-15J3 GLT725608-20J3 Speed Power Normal Normal Normal Normal Normal Normal Normal Voltage Voltage Voltage Voltage Voltage Voltage 28-Pin SDIP 28-Pin SDIP 28-Pin SDIP 28-Pin 28-Pin 28-Pin 28-Pin TSOP (Type 28-Pin SDIP 28-Pin SDIP 28-Pin SDIP 28-Pin 28-Pin 28-Pin Package
G-LINK Technology
GLT725608/08L
www.glinktech.com
G-LINK Technology 1753 South Main Street Milpitas, California, 95035, TEL: 408-240-1380 FAX: 408-240-1385 G-LINK Technology Corporation, Taiwan 24-2, Industry Science-Based Industrial Park Hsin Chu, Taiwan, R.O.C. TEL: 03-578-2833 FAX: 03-578-5820
2001 G-LINK Technology rights reserved. part this document copied reproduced form means transferred third party without prior written consent G-LINK Technology. Circuit diagrams utilizing G-LINK products included means illustrating typical semiconductor applications. Complete information sufficient design purposes necessarily given. G-LINK Technology reserves right change products specifications without notice. information contained this document does convey license under copyrights, patent rights trademarks claimed owned G-LINK subsidiaries. G-LINK assumes liability G-LINK applications assistance, customer's product design, infringement patents arising from semiconductor devices such systems' designs. does G-LINK warrant represent that patent right, copyright, other intellectual property right G-LINK covering relating combination, machine, process which such semiconductor devices might used. G-LINK Technology's products authorized life support devices systems. Life support devices systems device systems which are: intended surgical implant into human body designed support sustain life; when properly used according label instructions, reasonably expected cause significant injury user event failure. information contained this document believed entirely accurate. However, G-LINK Technology assumes responsibility inaccuracies. Printed
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