User Manual

Preliminary W27E020
- 4 -
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER RATING UNIT
Ambient Temperature with Power Applied -55 to +125
°C
Storage Temperature -65 to +125
°C
Voltage on all Pins with Respect to Ground Except VCC, VPP
and A9 Pins
-0.5 to VCC +0.5 V
Voltage on VCC Pin with Respect to Ground -0.5 to +7 V
Voltage on VPP Pin with Respect to Ground -0.5 to +14.5 V
Voltage on A9 Pin with Respect to Ground -0.5 to +14.5 V
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
of the device.
DC Erase Characteristics
(TA = 25° C ±5° C, VCC = 5.0V ±10%, VHH = 14V)
PARAMETER SYM. CONDITIONS LIMITS UNIT
MIN. TYP. MAX.
Input Load Current ILI VIN = VIL or VIH -10 - 10
µA
VCC Erase Current ICP
CE
= VIL,
OE
= VIH,
PGM
= VIL, A9 = VHH
- - 30 mA
VPP Erase Current IPP
CE
= VIL,
OE
= VIH,
PGM
= VIL, A9 = VHH
- - 30 mA
Input Low Voltage VIL - -0.3 - 0.8 V
Input High Voltage VIH - 2.4 - 5.5 V
Output Low Voltage (Verify) VOL IOL = 2.1 mA - - 0.45 V
Output High Voltage
(Verify)
VOH IOH = -0.4 mA 2.4 - - V
A9 Erase Voltage VID - 13.75 14.0 14.25 V
VPP Erase Voltage VPE - 13.75 14.0 14.25 V
VCC Supply Voltage
(Erase)
VCE - 4.5 5.0 5.5 V
Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.