K1S6416BCC Datasheet, PDF (3/10 Pages) Samsung semiconductor – 4Mx16 bit Page Mode Uni-Transistor Random Access Memory

K1S6416BCC
POWER UP SEQUENCE
1. Apply power.
2. Maintain stable power(Vcc min. and VCCQ min.=1.7V) for a minimum 200µs with CS1=high.or CS2=low.
TIMING WAVEFORM OF POWER UP(1) (CS1 controlled)
UtRAM
VCC(Min)
VCC
VCCQ(Min)
VCCQ
Min. 200µs
CS1
CS2
Power Up Mode
Normal Operation
POWER UP(1)
1. After VCC reaches VCC(Min.) and VCCQ(Min.), wait 200µs with CS1 high. Then the device gets into the normal operation.
TIMING WAVEFORM OF POWER UP(2) (CS2 controlled)
VCC(Min)
VCC
VCCQ(Min)
VCCQ
CS1
CS2
Min. 200µs
Power Up Mode
Normal Operation
POWER UP(2)
1. After VCC reaches VCC(Min.) and VCCQ(Min.), wait 200µs with CS2 low. Then the device gets into the normal operation.
-3-
Revision 1.0
April 2005