
CMOS SRAMK6F2016S4E Family
- 5 - Revision 1.0
September 2001
AC CHARACTERISTICS(Vcc=2.3~2.7V, Industrial product:TA=-40 to 85°C)
Parameter List Symbol Speed Bins Units
70ns 85ns
Min Max Min Max
Read
Read Cycle Time tRC 70 -85 -ns
Address Access Time tAA -70 -85 ns
Chip Select to Output tCO -70 -85 ns
Output Enable to Valid Output tOE -35 -40 ns
UB, LB Access Time tBA -70 -85 ns
Chip Select to Low-Z Output tLZ 10 -10 -ns
UB, LB Enable to Low-Z Output tBLZ 10 -10 -ns
Output Enable to Low-Z Output tOLZ 5-5-ns
Chip Disable to High-Z Output tHZ 025 025 ns
UB, LB Disable to High-Z Output tBHZ 025 025 ns
Output Disable to High-Z Output tOHZ 025 025 ns
Output Hold from Address Change tOH 10 -10 -ns
Write
Write Cycle Time tWC 70 -85 -ns
Chip Select to End of Write tCW 60 -70 -ns
Address Set-up Time tAS 0-0-ns
Address Valid to End of Write tAW 60 -70 -ns
UB, LB Valid to End of Write tBW 60 -70 -ns
Write Pulse Width tWP 50 -60 -ns
Write Recovery Time tWR 0-0-ns
Write to Output High-Z tWHZ 020 025 ns
Data to Write Time Overlap tDW 30 -35 -ns
Data Hold from Write Time tDH 0-0-ns
End Write to Output Low-Z tOW 5-5-ns
DATA RETENTION CHARACTERISTICS
1. 1) CS≥Vcc-0.2V(CS controlled) or
2) LB=UB≥Vcc-0.2V, CS≤0.2V(LB/UB controlled)
2. Typical values are measured at TA=25°C and not 100% tested.
Item Symbol Test Condition Min Typ2) Max Unit
Vcc for data retention VDR CS≥Vcc-0.2V1) 1.5 -2.7 V
Data retention current IDR Vcc= 1.5V, CS≥Vcc-0.2V1) -0.5 2µA
Data retention set-up time tSDR See data retention waveform 0- - ns
Recovery time tRDR tRC - -
AC OPERATING CONDITIONS
TEST CONDITIONS(Test Load and Test Input/Output Reference)
Input pulse level: 0.4 to 2.2V
Input rising and falling time: 5ns
Input and output reference voltage: 1.1V
Output load(See right): CL= 100pF+1TTL
CL= 30pF+1TTL CL1)
1. Including scope and jig capacitance
R22)
R12)
VTM3)
2. R1=3070Ω, R2=3150Ω
3. VTM =2.3V