cym9271b Cypress Semiconductor Corporation., cym9271b Datasheet
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cym9271b
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cym9271b Summary of contents
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... SRAMs • 144-Position Angled DIMM from Berg p/n 61178 • 3.3V inputs/data outputs Functional Description The CYM9270, CYM9271B, CYM9272A, and the CYM9273 are high-performance synchronous memory modules orga- nized as 64K(9270), 128K(9271B), 256K(9272A), 512K(9273 bits. These modules are constructed using either 128K ...
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... Logic Block Diagram - CYM9271B/CYM9272A A[16:0] WE OE[0:1] CS[0:1] BW[0:3] ADSP CLK[0: Bank0 NC GND 128Kx36 GND GND Bank0 and Bank1 256KX36 (2) 128K x 18 SRAMs A 16:0 SGW OE0 D[0:15] OE CS0 CS DQ[0:1] BWE WEH WEL ADSC CLK Bank0 CLK[0:1] (2) 128K x 18 SRAMs A 16:0 SGW OE1 D[0:15] OE CS1 DQ[0:1] CS BWE WEH WEL ADSC CLK ...
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... Logic Block Diagram - CYM9273 A[17:0] WE OE[0:1] CS[0:1] BW[0:3] ADSP CLK[0: Bank0 and 1 512KX36 NC NC (2) 256K x 18 SRAMs A 17:0 SGW OE0 D[0:15] OE CS[0] CS DQ[0:1] BWE WEH WEL ADSC CLK Bank0 CLK[0:1] (2) 256K x 18 SRAMs A 17:0 SGW OE1 D[0:15] OE CS[1] CS DQ[0:1] BWE WEH WEL ADSC CLK Bank1 CLK[2:3] 3 CYM9270 CYM9271B CYM9272A CYM9273 D[0:31] DQ[0:3] 9273 ...
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... 127 GND GND 128 D 129 130 131 D D 132 25 24 133 134 135 136 137 138 V V CC3 CC3 139 140 142 141 2 3 144 GND 143 GND 4 CYM9271B CYM9272A CYM9273 ...
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... D[31:0] DQ[3:0] CLK[0:3] NC RSVD Presence Detect Pins CYM9270 – 64K x 36 CYM9271B – 128K x 36 CYM9272A – 256K x 36 CYM9273 – 512K x 36 Description 3V Supply Ground Addresses from processor Address strobe from the processor Output Enables for each of the banks Byte writes ...
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... 5.0V CC 9271B 9272A 9273 T = 25° MHz, 9270 5.0V CC 9271B 9272A 9273 T = 25° MHz, 9270 5.0V CC 9271B 9272A 9273 6 CYM9270 CYM9271B CYM9272A CYM9273 V CC 0°C to +70°C 3.3V 5% Min. Max. Unit 2 0 –0.3 0.8 V 2.4 V 0.4 V 350 mA 500 mA 1000 mA 1200 mA Max ...
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... CCQ OUTPUT 3. GND INCLUDING JIGAND [2] SCOPE (b) CYM9270 CYM9271B Min. Max. Min 0.5 0.5 10 3.1 3.1 0.5 0.5 3.3 3.3 0.5 3.1 3.1 0.5 0 and R2=351 . 7 CYM9271B CYM9272A CYM9273 ALL INPUT PULSES 90% 90% 10% 10 CYM9272A CYM9273 Max. Min. Max. Min. Max 0.5 0.5 10.3 10.3 10 3.1 3.1 0.5 0.5 3.3 3.3 0.5 0.5 3.1 3.1 0.5 0 ...
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... OE is LOW throughout this operation. 6. ADSP has no effect on ADV, WL, and HIGH CSS CSH ADS ADSH t t WES WEH t CDV CSS CSH ADS ADSH t WEH CYM9270 CYM9271B CYM9272A CYM9273 t CYC t DOH ...
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... ADS t WEH t WEOZ Package Name Package Type PM45 144-Pin Dual-Readout SIMM PM45 144-Pin Dual-Readout SIMM PM46 144-Pin Dual-Readout SIMM PM46 144-Pin Dual-Readout SIMM 9 CYM9270 CYM9271B CYM9272A CYM9273 t EOV ADSH t CSH t CSOZ ADSH t WEOV Operating Description Range Sync 64K x 36 Commercial Sync 128K x 36 ...
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... The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges. 144-Pin Single-Sided DIMM PM45 144-Pin Dual-Sided DIMM PM46 CYM9271B CYM9272A CYM9273 ...