Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
5
Rev. C
03/21/2008
IS61C25616AL IS61C25616AS
IS64C25616AL IS64C25616AS
HIGH SPEED OPTION (IS61/64C25616AL)
POWER SUPPLY CHARACTERISTICS
(1)
(Over Operating Range)
-10 ns -12 ns
Symbol Parameter Test Conditions Min. Max. Min. Max. Unit
I
CC1 VDD Operating VDD = VDD MAX., CE = VIL
Com.
—45 —45 mA
Supply Current IOUT = 0 mA, f = 0
Ind.
—50 —50
Auto.
—55 —55
I
CC2 VDD Dynamic Operating VDD = VDD MAX., CE = VIL
Com.
—50 —45 mA
Supply Current IOUT = 0 mA, f = fMAX
Ind.
—55 —50
Auto.
—70 —60
typ.
(2)
30 25
I
SB1 TTL Standby Current VDD = VDD MAX.,
Com.
—15 —15 mA
(TTL Inputs) VIN = VIH or VIL
Ind.
—20 —20
CE ≥ VIH, f = 0
Auto.
—30 —30
ISB2 CMOS Standby VDD = VDD MAX.,
Com.
—8 —8 mA
Current (CMOS Inputs) CE
≤
VDD – 0.2V,
Ind.
—12 —12
VIN ≥ VDD – 0.2V, or
Auto.
—20 —20
VIN
≤
0.2V, f = 0
typ.
(2)
2
Note:
1. At f = f
MAX, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.
2. Typical values are measured at VDD = 5V, TA = 25
o
C and not 100% tested.
LOW POWER OPTION (IS61/64C25616AS)
POWER SUPPLY CHARACTERISTICS
(1)
(Over Operating Range)
-25 ns
Symbol Parameter Test Conditions Min. Max. Unit
ICC Average operating CE = VIL, Com. — 10 mA
Current VDD = Max., Ind. — 15
I OUT= 0 mA, f = 0 Auto. — 20
ICC1VDD Dynamic Operating VDD = Max., CE = VIL Com. — 25 mA
Supply Current IOUT = 0 mA, f = fMAX Ind. — 30
VIN = VIH or VIL Auto. — 40
typ.
(2)
15
ISB1 TTL Standby Current VDD = Max., Com. — 1 mA
(TTL Inputs) VIN = VIH or VIL, CE ≥ V IH, Ind. — 1.5
f = 0 Auto. — 2
ISB2 CMOS Standby VDD = Max., Com. — 0.8 mA
Current (CMOS Inputs) CE ≥ V DD – 0.2V, Ind. — 0.9
VIN ≥ V DD – 0.2V, Auto. — 2
or VIN ≤ V SS + 0.2V, f = 0
typ.
(2)
0.2
Note:
1. At f = f
MAX, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.
2. Typical values are measured at VDD = 5V, TA = 25
o
C and not 100% tested.