UM61512A UMC, UM61512A Datasheet
UM61512A
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UM61512A Summary of contents
Page 1
... Full static operation, no clock or refreshing required All inputs and outputs are directly TTL compatible General Description The UM61512A is a low operating current 524,288-bit static random access memory organized as 65,536 words by 8 bits and operates on a single 5V power supply built using UMC's high performance CMOS process ...
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... INPUT COLUMN I/O DATA CIRCUIT CONTROL CIRCUIT Pin Description Description Pin UM61512A VCC GND TSOP Symbol Description A0 - A15 Address Inputs Write Enable WE CE2 Chip Enable VCC Power Supply NC No Connection I/O - I/O Data Input/Outputs 1 ...
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... VCC = 5V 5%, GND = 0V) A UM61512A-15/20/25 Min. Max 160 - 0.4 2 UM61512A Unit Unit Conditions V = GND to VCC CE1 = V or CE2 = ...
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... UM61512A Supply Current High SB1 High SB2 High Z I CC1 D I OUT CC1 CC1 Unit Conditions I/O UM61512A-20 UM61512A-25 Min. Max. Min. Max ...
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... Read Cycle 1 Address D OUT UM61512A-15 UM61512A-20 Min. Max. Min UM61512A UM61512A-25 Unit Max. Min. Max ...
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... Timing Waveforms (continued) (1,3,4,6) Read Cycle 2 CE1 CLZ1 OUT (1,4,7,8) Read Cycle 3 CE2 CLZ2 OUT t ACE1 t ACE2 6 UM61512A t CHZ1 CHZ2 ...
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... Transition is measured 500mV from steady state. This parameter is sampled and not 100% tested. 6. CE2 is high. 7. CE1 is low. 8. Address valid prior to or coincident with CE2 transition high OLZ ACE1 CLZ2 ACE2 5 t CLZ2 and CE2 = UM61512A CHZ1 OHZ 5 t CHZ2 ...
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... Timing Waveforms (continued) (6) Write Cycle 1 (Write Enable Controlled) Address CE1 CE2 OUT (4) ( WHZ 8 UM61512A ...
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... continuously low Transition is measured 500mV from steady state. This parameter is sampled and not 100% tested ( ( WHZ low CE1, a high CE2 and a low UM61512A ...
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... See Figures 1 and 2 I/O 30pF* * Including scope and jig. Figure 2. Output Load for Min. Max. 3 5. UM61512A +5V 5pF* 255 , C LZ1 CLZ2 OLZ CHZ1 CHZ2 and t OHZ WHZ OW Unit Conditions V CE1 VCC - 0.2V CE2 VCC - 0 ...
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... CE1 IH Low VCC Data Retention Waveform (2) (CE2 Controlled) VCC 4.75V t CDR CE2 V IL Ordering Information Part No. Access Time (ns) UM61512AK-15 UM61512AK-20 UM61512AS-15 UM61512AS-20 UM61512ASW-15 UM61512ASW-20 UM61512AM-25 UM61512AV-15 DATA RETENTION MODE CE1 V - 0.2V DR DATA RETENTION MODE CE2 0.2V Operating Current Max. (mA) 15 ...
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... Typ. (0.300 Max.) 7.32 Typ. (7.62 Max.) 0.100 ¡Ó 0 .007 2.54 ¡Ó 0 .18 0.130 ¡Ó 0 .010 3.30 ¡Ó 0.355 ¡Ó 0 .035 9.02 ¡Ó 0 .89 0.059 Max. 1.50 Max. does not include resin fins UM61512A unit: inches/ ...
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... PC Board surface mount pad pitch design 1 13 UM61512A unit: inches/mm b BASE METAL WITH PLATING SECTION F Max. 3.56 - 2.67 0.51 0.81 0.30 21.08 8.63 7.75 6.96 - 1.22 0.10 ...
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... PC Board surface mount pad pitch design 1 14 UM61512A unit: inches/ BASE METAL WITH PLATING SECTION F Max. 3. 2.91 0.51 0.81 0.28 21.08 11.31 10.29 9. 1.14 - 0.10 ...
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... Max. 1.12 Max. 0.004 Max. 0.10 Max for PC Board surface mount pad pitch design 1 15 UM61512A unit: inches/ Detail 0.10 Min. -0.05 -0. ...
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... TYP. 0.0167 TYP. 0.425 TYP. 0.004 Max for PC Board surface mount pad pitch design 1 16 UM61512A unit: inches/mm 12.0 ¢X GAUGE PLANE £ Detail "A" 0.10(0.004 ...