Details

---

BUY HN27C301G-20 https://www.utsource.net/itm/p/12608124.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	2.7	-	6.0	V
Standby Current	ISB	-	100	-	渭A
Operating Current	ICC	-	30	-	mA
Output High Voltage	VOH	-	Vcc-0.5	-	V
Output Low Voltage	VOL	-	0.5	-	V
Access Time	tAA	70	-	-	ns
Pulse Width (Read Cycle)	tR	100	-	-	ns
Write Enable Setup Time	tWES	10	-	-	ns
Write Enable Hold Time	tWEH	10	-	-	ns
Chip Enable Setup Time	tCES	10	-	-	ns
Chip Enable Hold Time	tCEH	10	-	-	ns
Output Disable Time	tOHZ	10	-	-	ns

Instructions for HN27C301G-20

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 2.7V to 6.0V.
   • Connect the Vcc pin to the positive power supply and GND to the ground.

2. Standby Mode:

   • To minimize power consumption, set the chip enable (CE) and output enable (OE) pins high and the write enable (WE) pin low.

3. Operating Mode:

   • Set the CE pin low to enable the device.
   • Set the OE pin low to enable data output.
   • Set the WE pin low to initiate a write operation.

4. Access Time:

   • The access time (tAA) is 70ns, which is the time from the falling edge of the CE signal to the valid data output.

5. Read Cycle:

   • The read cycle pulse width (tR) should be at least 100ns.

6. Write Cycle:

   • Ensure the write enable setup time (tWES) and hold time (tWEH) are both at least 10ns.
   • The chip enable setup time (tCES) and hold time (tCEH) should also be at least 10ns.

7. Output Disable:

   • The output disable time (tOHZ) is 10ns, which is the time it takes for the outputs to go high-Z after the OE pin is set high.

8. Handling and Storage:

   • Handle the device with care to avoid static damage.
   • Store in a dry environment to prevent moisture damage.

9. Soldering:

   • Use appropriate soldering techniques and temperatures to avoid damaging the device.

10. Testing:

    • Verify the functionality of the device using a test pattern or known good data to ensure proper operation.

(For reference only)