CY62256
Electrical Characteristics Over the Operating Range (continued) |
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| CY62256− 55 | CY62256− 70 |
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Parameter | Description |
| Test Conditions |
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| Min. | Typ.[3] |
| Max. | Min. | Typ.[3] | Max. | Unit | |||||
ISB2 | Automatic CE |
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| Max. VCC, | CE | > VCC − 0.3V |
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| 1 | 5 |
| 1 | 5 | mA | |||
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| VIN > VCC − | 0.3V, or VIN < |
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| L |
| 2 | 50 |
| 2 | 50 | ∝ A | ||||||||
| CMOS Inputs |
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| 0.3V, f = 0 |
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| LL |
| 0.1 | 5 |
| 0.1 | 5 | ∝ A | ||||
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| Indust’l Temp Range |
| LL |
| 0.1 | 10 |
| 0.1 | 10 | ∝ A | |||||
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Capacitance[4] |
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Parameter |
| Description |
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| Test Conditions |
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| Max. |
| Unit |
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CIN |
| Input Capacitance |
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| TA = 25° C, f = 1 MHz, |
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| 6 |
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| pF |
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| VCC = 5.0V |
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COUT |
| Output Capacitance |
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| 8 |
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| pF |
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AC Test Loads and Waveforms
R1 1800 Ω | R1 1800 Ω |
5V 
OUTPUT
100 pF
INCLUDING
JIG AND
SCOPE
| 5V |
| OUTPUT |
R2 | 5 pF |
990Ω |
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INCLUDING JIG AND
(a)SCOPE
| 3.0V |
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R2 | 10% |
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GND |
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990Ω |
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< 5 ns
(b)
ALL INPUT PULSES
90% |
| 90% |
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10%
< 5 ns
Equivalent to: | THÉVENIN EQUIVALENT |
| 639Ω |
OUTPUT 
1.77V
Data Retention Characteristics
Parameter | Description |
| Conditions[5] | Min. | Typ.[3] | Max. | Unit | ||
VDR | VCC for Data Retention |
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| 2.0 |
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| V |
ICCDR | Data Retention Current | L | VCC = 3.0V, | CE | > VCC − 0.3V, |
| 2 | 50 | ∝ A |
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| VIN > VCC − 0.3V, or VIN < 0.3V |
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| LL |
| 0.1 | 5 | ∝ A | |||
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| LL Ind’l |
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| 0.1 | 10 | ∝ A |
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[4] | Chip Deselect to Data Retention Time |
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| 0 |
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| ns | |
tCDR |
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t [4] | Operation Recovery Time |
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| t |
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| ns |
R |
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| RC |
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Data Retention Waveform
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| DATA RETENTION MODE |
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VCC | 3.0V | VDR > 2V | 3.0V |
| tCDR |
| tR |
CE |
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Notes:
4.Tested initially and after any design or process changes that may affect these parameters.
5.No input may exceed VCC + 0.5V.
Document #: | Page 3 of 11 |
