Owner's manual

Preliminary W27L520
- 4 -
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER RATING UNIT
Ambient Temperature with Power Applied -55 to +125
°C
Storage Temperature -65 to +150
°C
Voltage on all Pins with Respect to Ground Except
OE
/VPP, A9 and VDD Pins
-2.0 to +7.0 V
Voltage on
OE
/VPP Pin with Respect to Ground
-2.0 to +7.0 V
Voltage on A9 Pin with Respect to Ground -2.0 to +7.0 V
Voltage VDD Pin with Respect to Ground -2.0 to +14.0 V
Note: 1. Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of
the device.
2. Minimum voltage is -0.6V DC which may undershoot to -2.0V for pulses of less than 20ns. Maximum output pin voltage is
VDD+0.75V DC which may overshoot to +7.0V for pulses of less than 20ns.
DC Erase Characteristics
(TA = 25° C ±5° C, VDD = 6.5V ±0.25V)
PARAMETER SYM. CONDITIONS LIMITS UNIT
MIN. TYP. MAX.
Input Load Current ILI VIN = VIL or VIH -10 - 10
µA
VDD Erase Current ICP
ALE = VIH,
OE
/VPP = VPE
A8&A11 = VIL, A9 = VPE,
A10 = VIH, Others = X
- - 30 mA
VPP Erase Current IPP
ALE = VIH,
OE
/VPP = VPE
A8&A11 = VIL, A9 = VPE,
A10 = VIH, Others = X
- - 30 mA
Input Low Voltage VIL - -0.3 - 0.8 V
Input High Voltage VIH - 2.4 - VDD+0.3 V
Output Low Voltage
(Verify)
VOL IOL = 2.1 mA - - 0.45 V
Output High Voltage
(Verify)
VOH IOH = -0.4 mA 2.4 - - -
A9 SID Voltage VHH
VDD = 5V ± 10%
11.5 12 12.5 V
A9 Erase Voltage VPE - 12.75 13 13.25 V
VPP Erase Voltage VPE - 12.75 13 13.25 V
VDD Supply Voltage (Erase
& Erase Verify)
VDE - 6.25 6.5 6.75 V
Note: VDD must be applied simultaneously or before VPP and removed simultaneously or after VPP.
CAPACITANCE
(VDD = 3.0V to 3.6V, TA = 25° C, f = 1 MHz)
PARAMETER SYMBOL MAX. UNIT
Input Capacitance CIN VIN = 0V 6 pF
Output Capacitance COUT VOUT = 0V 12 pF