Inhaltszusammenfassung zur Seite Nr. 1
CY62157CV30/33
512K x 16 Static RAM
significantly reduces power consumption by 80% when
Features
addresses are not toggling. The device can also be put into
• Temperature Ranges standby mode reducing power consumption by more than 99%
when deselected (CE HIGH or CE LOW or both BLE and
1 2
— Automotive-A: –40°C to 85°C
BHE are HIGH). The input/output pins (I/O through I/O ) are
0 15
— Automotive-E: –40°C to 125°C
placed in a high-impedance state when: deselected (CE
1
HIGH or CE LOW), outputs a
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CY62157CV30/33 Product Portfolio Power Dissipation Operating (I ) mA CC Standby (I ) SB2 V Range f = 1 MHz f = f µA CC max [2] [2] [2] [2] Product Range Min. Typ. Max. Typ. Max. Typ. Max. Typ. Max. CY62157CV30 Automotive-E 2.7V 3.0V 3.3V 1.5 3 7 15 8 70 CY62157CV33 Automotive-A 3.0V 3.3V 3.6V 1.5 3 5.5 12 10 30 Automotive-E 1.5 3 7 15 10 80 [2, 3, 4] Pin Configurations FBGA (Top View) 126 3 4 5 CE A A A BLE OE 2 0 1 2 A A A I/O BHE CE I/O B 8 3 4 1 0 I/O A A C I/O I/O I/O 9 10 5 6 1 2 A V
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CY62157CV30/33 Static Discharge Voltage.......................................... > 2001V Maximum Ratings (per MIL-STD-883, Method 3015) (Above which the useful life may be impaired. For user guide- Latch-up Current ................................................... > 200 mA lines, not tested.) Operating Range Storage Temperature ................................. –65°C to +150°C Ambient Temperature with Ambient Power Applied.............................................–55°C to +125°C Temperat
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CY62157CV30/33 Electrical Characteristics Over the Operating Range CY62157CV33-70 [2] Parameter Description Test Conditions Min. Typ. Max. Unit V Output HIGH I = –1.0 mA 2.4 V OH OH Voltage V = 3.0V CC V Output LOW I = 2.1 mA 0.4 V OL OL Voltage V = 3.0V CC V Input HIGH Voltage 2.2 V + 0.3V V IH CC V Input LOW Voltage –0.3 0.8 V IL I Input Leakage GND < V < V Auto-A –1 +1 µA IX I CC Current Auto-E –10 +10 µA I Output Leakage GND < V < V , Output Disabled Auto-A –1 +1 µA OZ O CC Current Auto-E
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CY62157CV30/33 [7] Capacitance Parameter Description Test Conditions Max. Unit C Input Capacitance T = 25°C, f = 1 MHz, 6pF IN A V = V CC CC(typ.) C Output Capacitance 8 pF OUT AC Test Loads and Waveforms R1 V CC ALL INPUT PULSES V Typ OUTPUT CC 90% 90% 10% 10% GND R2 30 pF Rise TIme: 1 V/ns Fall Time: 1 V/ns INCLUDING JIG AND SCOPE Equivalent to: THÉVENIN EQUIVALENT R TH OUTPUT V TH Parameters 3.0V 3.3V Unit R1 1.105 1.216 ΚΩ R2 1.550 1.374 ΚΩ R 0.645 0.645 ΚΩ TH V 1.75 1.75 V TH Data Retenti
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CY62157CV30/33 [10] Switching Characteristics Over the Operating Range 70 ns Parameter Description Min. Max. Unit Read Cycle t Read Cycle Time 70 ns RC t Address to Data Valid 70 ns AA t Data Hold from Address Change 10 ns OHA t CE LOW and CE HIGH to Data Valid 70 ns ACE 1 2 t OE LOW to Data Valid 35 ns DOE [11] t OE LOW to Low-Z 5ns LZOE [11, 12] t OE HIGH to High-Z 25 ns HZOE [11] t CE LOW and CE HIGH to Low-Z 10 ns LZCE 1 2 [11, 12] t CE HIGH or CE LOW to High-Z 25 ns HZCE 1 2 t CE LOW a
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CY62157CV30/33 Switching Waveforms [15, 16] Read Cycle No. 1 (Address Transition Controlled) t RC ADDRESS t AA t OHA DATA OUT PREVIOUS DATA VALID DATA VALID [16, 17] Read Cycle No. 2 (OE Controlled) ADDRESS t RC CE 1 CE 2 t ACE OE t HZBE BHE/BLE t LZBE t HZOE t DOE t HZCE t LZOE HIGH IMPEDANCE HIGH IMPEDANCE DATA OUT DATA VALID t LZCE t PD I t PU CC V CC 50% 50% SUPPLY I CURRENT SB Notes: 15. Device is continuously selected. OE, CE = V , BHE and/or BLE = V , CE = V . 1 IL IL 2 IH 16. WE is
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CY62157CV30/33 Switching Waveforms (continued) [14, 18, 19] Write Cycle No. 1 (WE Controlled) t WC ADDRESS t SCE CE 1 CE 2 t t AW HA t t SA PWE WE t BW BHE/BLE OE t t SD HD DATA DATA I/O VALID IN NOTE 20 t HZOE Notes: 18. Data I/O is high-impedance if OE = V . IH 19. If CE goes HIGH or CE goes LOW simultaneously with WE HIGH, the output remains in a high-impedance state. 1 2 20. During this period, the I/Os are in output state and input signals should not be applied. Document #: 38-05014 Rev.
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CY62157CV30/33 Switching Waveforms (continued) [14, 18, 19] Write Cycle No. 2 (CE or CE Controlled) 1 2 t WC ADDRESS t SCE CE 1 CE 2 t SA t t AW HA t PWE WE t BW BHE/BLE OE t SD t HD VALID DATA I/O DATA IN NOTE 20 t HZOE [19] Write Cycle No. 3 (WE Controlled, OE LOW) t WC ADDRESS t SCE CE 1 CE 2 t BW BHE/BLE t t AW HA t t SA PWE WE t t SD HD NOTE 20 DATAI/O DATA VALID IN t LZWE t HZWE Document #: 38-05014 Rev. *F Page 9 of 13 [+] Feedback
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CY62157CV30/33 Switching Waveforms (continued) [19] Write Cycle No. 4 (BHE/BLE Controlled, OE LOW) t WC ADDRESS CE 1 CE 2 t SCE t t AW HA t BW BHE/BLE t SA t PWE WE t t SD HD DATA I/O DATA VALID NOTE 20 IN Truth Table CE CE WE OE BHE BLE Inputs/Outputs Mode Power 1 2 H X X X X X High Z Deselect/Power-Down Standby (I ) SB X L X X X X High Z Deselect/Power-Down Standby (I ) SB X X X X H H High Z Deselect/Power-Down Standby (I ) SB L H H L L L Data Out (I/O –I/O ) Read Active (I ) O 15 CC L H H
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CY62157CV30/33 [2] Typical DC and AC Characteristics Operating Current vs. Supply Voltage 14.0 14.0 14.0 MoBL MoBL MoBL 12.0 12.0 12.0 10.0 10.0 10.0 8.0 8.0 8.0 (f = f , 70ns) (f = f , 70ns) max max (f = f , 70ns) 6.0 6.0 6.0 max 4.0 4.0 4.0 2.0 2.0 2.0 (f = 1 MHz) (f = 1 MHz) (f = 1 MHz) 0.0 0.0 0.0 3.0 2.7 3.3 2.2 2.7 2.5 3.0 3.3 3.6 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) Standby Current vs. Supply Voltage 12.0 12.0 12.0 MoBL 10.0 10.0 10.0 MoBL MoBL 8.0 8.0 8.0 6.0 6.0 6.
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CY62157CV30/33 Ordering Information Speed Package Operating (ns) Ordering Code Diagram Package Type Range 70 CY62157CV30LL-70BAE 51-85128 48-Ball (6 mm x 10 mm x 1.2 mm) FBGA Automotive-E CY62157CV33LL-70BAXA Automotive-A CY62157CV33LL-70BAE Automotive-E Package Diagram 48-Ball (6 mm x 10 mm x 1.2 mm) FBGA (51-85128) BOTTOM VIEW TOP VIEW A1 CORNER Ø0.05 M C Ø0.25 M C A B A1 CORNER Ø0.30±0.05(48X) 1 2346 5 65 4 3 2 1 A A B B C C D D E E F F G G H H 1.875 A A 0.75 B 6.00±0.10 3.75 B 6.00±0.10 0
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CY62157CV30/33 Document History Page Document Title: CY62157CV30/33 512K x 16 Static RAM Document Number: 38-05014 Orig. of REV. ECN NO. Issue Date Change Description of Change ** 106184 05/10/01 HRT/MGN New data sheet – Advance Information *A 107241 07/24/01 MGN Made corrections to Advance Information Added 55 ns bin *B 109621 03/11/02 MGN Changed from Advance Information to Final *C 114218 05/01/02 GUG/MGN Improved Typical and Max I values CC *D 238448 See ECN AJU Added Automotive Product I
