SST89E554RC-40-C-NJE Silicon Storage Tech, SST89E554RC-40-C-NJE Datasheet - Page 74

• Manufacturer Part Number: SST89E554RC-40-C-NJE
• Description: Semiconductors and Actives, Microprocessors, Microcontrollers
• Manufacturer: Silicon Storage Tech

EOL Data Sheet
TABLE 13-8: AC E
Explanation of Symbols Each timing symbol has 5 characters. The first character is always a ‘T’ (stands for
time). The other characters, depending on their positions, stand for the name of a signal or the logical status of that
signal. The following is a list of all the characters and what they stand for.
For example:
©2007 Silicon Storage Technology, Inc.
Symbol
T
T
T
T
T
QVWX
WHQX
QVWH
RLAZ
WHLH
1. Calculated values are for x1 Mode only
T
T
A: Address
C: Clock
D: Input data
H: Logic level HIGH
I:
L: Logic level LOW or ALE
P: PSEN#
AVLL
LLPL
Instruction (program memory contents)
= Time from Address Valid to ALE Low
= Time from ALE Low to PSEN# Low
Parameter
Data Valid to WR# High to Low
Transition
Data Hold After WR#
Data Valid to WR# High
RD# to WR# High to ALE High
RD# Low to Address Float
T
A
= -40°C
LECTRICAL
TO
+85°C, V
C
HARACTERISTICS
DD
16 MHz (x2 Mode)
33 MHz (x1 Mode)
Min
142
= 2.7-3.6V@33MH
3
5
(C
Max
10
55
0
ONTINUED
1
74
20 MHz (x2 Mode)
40 MHz (x1 Mode)
Min
125
10
5
Q: Output data
R: RD# signal
T: Time
V: Valid
W: WR# signal
X: No longer a valid logic level
Z: High Impedance (Float)
Z
) (2
, 4.5-5.5V@40MH
OF
Max
Oscillator
40
2)
5
0
SST89E564RD / SST89V564RD
SST89E554RC / SST89V554RC
1
7T
7T
T
T
T
T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
T
CLCL
Z
Min
- 27 (3V)
- 20 (5V)
- 25 (3V)
- 15 (5V)
, V
- 70 (3V)
- 50 (5V)
- 20
SS
Variable
= 0V
FlashFlex MCU
T
T
CLCL
CLCL
S71207-08-EOL
Max
+ 25 (3V)
+ 15 (5V)
0
T13-8.6 1207
Units
ns
ns
ns
ns
ns
ns
ns
ns
1/07