IS62C256
Integrated Silicon Solution, Inc. — 1-800-379-4774
3
SR072-1E
05/12/99
ISSI
®
OPERATING RANGE
Range Ambient Temperature VCC
Commercial 0°C to +70°C 5V ± 10%
Industrial –40°C to +85°C 5V ± 10%
CAPACITANCE
(1,2)
Symbol Parameter Conditions Max. Unit
CIN Input Capacitance VIN = 0V 8 pF
COUT Output Capacitance VOUT = 0V 10 pF
Notes:
1. Tested initially and after any design or process changes that may affect these parameters.
2. Test conditions: T
A = 25°C, f = 1 MHz, Vcc = 5.0V.
POWER SUPPLY CHARACTERISTICS
(1)
(Over Operating Range)
-45 ns -70 ns
Symbol Parameter Test Conditions Min. Max. Min. Max. Unit
ICC1 Vcc Operating VCC = Max., = VIL Com. — 60 — 60 mA
Supply Current IOUT = 0 mA, f = 0 Ind. — 70 — 70
ICC2 Vcc Dynamic Operating VCC = Max., = VIL Com. — 70 — 65 mA
Supply Current IOUT = 0 mA, f = fMAX Ind. — 80 — 75
ISB1 TTL Standby Current VCC = Max., Com. — 5 — 5 mA
(TTL Inputs) VIN = VIH or VIL Ind. — 10 — 10
≥ VIH, f = 0
ISB2 CMOS Standby VCC = Max., Com. — 0.5 — 0.5 mA
Current (CMOS Inputs) ≥ VCC – 0.2V, Ind. — 1.0 — 1.0
VIN ≥ VCC – 0.2V, or
VIN ≤ 0.2V, f = 0
Note:
1. At f = fMAX, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.
DC ELECTRICAL CHARACTERISTICS
Symbol Parameter Test Conditions Min. Max. Unit
VOH Output HIGH Voltage VCC = Min., IOH = –1.0 mA 2.4 — V
VOL Output LOW Voltage VCC = Min., IOL = 2.1 mA — 0.4 V
VIH Input HIGH Voltage 2.2 VCC + 0.5 V
VIL Input LOW Voltage
(1)
–0.3 0.8 V
ILI Input Leakage GND ≤ VIN ≤ VCC Com. –2 2 µA
Ind. –10 10
ILO Output Leakage GND ≤ VOUT ≤ VCC, Com. –2 2 µA
Outputs Disabled Ind. –10 10
Note:
1. VIL = –3.0V for pulse width less than 10 ns.