M93S46 ST Microelectronics, M93S46 Datasheet - Page 23

• Manufacturer Part Number: M93S46
• Description: 4Kbit / 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection
• Manufacturer: ST Microelectronics

Table 19. AC Characteristics (M93Sx6-R)
Note: 1. t
Symbol
t
t
t
t
t
t
t
t
t
t
PRVCH
t
t
t
t
t
CLPRX
CHCL
CLCH
t
WVCH
SLSH
t
CHQV
SLWX
SHCH
DVCH
CHDX
SHQV
CHQL
SLCH
CLSH
SLQZ
CLSL
t
2. Chip Select Input (S) must be brought Low for a minimum of tSLSH between consecutive instruction cycles.
3. Preliminary Data: this product is under development. For more infomation, please contact your nearest ST sales office.
f
W
C
CHCL
2
1
1
+ t
CLCH
t
t
PREH
t
PRES
t
t
t
t
t
t
t
t
t
Alt.
t
t
f
PES
PEH
CSS
t
SKH
SKS
CSH
t
t
SKL
PD0
PD1
DIS
DIH
WP
CS
SK
SV
DF
1 / f
C
.
Clock Frequency
Protect Enable Valid to Clock High
Write Enable Valid to Clock High
Clock Low to Protect Enable Transition
Chip Select Low to Write Enable Transition
Chip Select Low to Clock High
Chip Select Set-up Time
Chip Select Low to Chip Select High
Clock High Time
Clock Low Time
Data In Set-up Time
Data In Hold Time
Clock Set-up Time (relative to S)
Chip Select Hold Time
Chip Select to Ready/Busy Status
Chip Select Low to Output Hi-Z
Delay to Output Low
Delay to Output Valid
Erase/Write Cycle time
Test conditions specified in Table 9 and Table 7
Parameter
Min.
D.C.
250
250
250
250
250
100
100
100
M93S66, M93S56, M93S46
50
50
50
0
0
3
Max.
400
200
400
400
10
1
3
MHz
Unit
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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