|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| CY7C132, CY7C136 | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| CY7C136A, CY7C142, CY7C146 | |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Switching Characteristics |
|
|
|
|
|
|
|
| ||||||||||||||||||
Over the Operating Range (Speeds |
|
|
|
|
|
|
|
| ||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
Parameter |
|
|
|
|
|
|
|
|
|
|
| Description |
|
| Unit | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Min | Max | Min | Max |
| Min | Max |
|
Interrupt Timing | [16] |
|
|
|
|
|
|
|
|
| ||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
tWINS |
| R/W | to INTERRUPT Set Time |
|
| 25 |
| 35 |
|
| 45 | ns | ||||||||||||||
tEINS |
| CE |
| to | INTERRUPT |
| Set Time |
|
| 25 |
| 35 |
|
| 45 | ns | ||||||||||
tINS |
| Address to | INTERRUPT | Set Time |
|
| 25 |
| 35 |
|
| 45 | ns | |||||||||||||
tOINR |
| OE | to | INTERRUPT | Reset Time[13] |
|
| 25 |
| 35 |
|
| 45 | ns | ||||||||||||
tEINR |
| CE | to | INTERRUPT | Reset Time[13] |
|
| 25 |
| 35 |
|
| 45 | ns | ||||||||||||
tINR |
| Address to | INTERRUPT | Reset Time[13] |
|
| 25 |
| 35 |
|
| 45 | ns |
Switching Waveforms
Figure 4. Read Cycle No. 1 (Either Port-Address Access) [17, 18]
|
| tRC |
ADDRESS |
|
|
| tOHA | tAA |
|
| |
DATA OUT | PREVIOUS DATA VALID | DATA VALID |
| Figure 5. Read Cycle No. 2 (Either | |
CE |
|
|
OE | tACE | tHZCE |
|
| |
|
| tHZOE |
| tLZOE | tDOE |
| tLZCE |
|
DATA OUT |
| DATA VALID |
| tPU | t |
ICC |
| PD |
|
| |
ISB |
|
|
Notes
17.R/W is HIGH for read cycle.
18.Device is continuously selected, CE = VIL and OE = VIL.
19.Address valid prior to or coincident with CE transition LOW.
Document #: | Page 7 of 15 |
[+] Feedback