ACE25C512 Datasheet, PDF (28/34 Pages) ACE Technology Co., LTD. – 512K-BIT Serial Flash Memory

ACE25C512
512K-BIT Serial Flash Memory
Notes: 1. Checker Board Pattern
2. VIL min and VIH max are reference only and are not tested
AC Measurement Conditions
Symbol
Parameter
Spec
Unit
Min Max
CL
Load capacitance
20
pF
TR, TF
Input rise and fall times
5
ns
VIN
Input pulse voltage
0.2 V_CC to 0.8 V_CC V
IN
Input timing reference voltages 0.3 V_CC to 0.7 V_CC V
OUT Output timing reference voltages
0.5 V_CC
V
Table 8 AC Measurement Conditions
Figure 26 AC Measurement I/O waveform
AC Electrical Characteristics
Applicable over recommended operating range from: T_A=-40°C to 85°C, V_CC=2.7V to 3.6V, (unless otherwise noted).
Symbol
Parameter
Spec
Unit
Min Typ Max
Serial Clock Frequency for: FAST_READ, PP, SE, BE, DP, RES,
F_R
WREN, WRDI, WRSR
100 MHz
f_R
t_CH(1)
t_CL(1)
t_CLCH(2)
t_CHCL(2)
Serial Clock Frequency for READ, RDSR, RDID
Serial Clock High Time
Serial Clock Low Time
Serial Clock Rise Time (Slew Rate)
Serial Clock Fall Time (Slew Rate)
50 MHz
4
ns
4
ns
0.1
V/ns
0.1
V/ns
t_SLCH
CS# Active Setup Time
5
ns
t_CHSH
CS# Active Hold Time
5
ns
t_SHCH
CS# Not Active Setup Time
5
ns
t_CHSL
CS# Not Active Hold Time
5
ns
CS# Deselect Time (for Array Read  Array Read / Erase or
t_SHSL
Program  Read Status Register)
10/50
ns
t_SHQZ(2)
Output Disable Time
6 ns
t_CLQX
Output Hold Time
0
ns
VER 1.2 28