m41t56c64 STMicroelectronics, m41t56c64 Datasheet - Page 14

• Manufacturer Part Number: m41t56c64
• Description: Serial Real Time Clock With 56 Bytes Of Nvram+64 Kbit 8192 Bit X 8 Eeprom
• Manufacturer: STMicroelectronics

DC and AC parameters
14/19
Table 8. AC characteristics (Serial EEPROM, M24C64)
1. Sampled only, not 100% tested.
2. To avoid spurious START and STOP conditions, a minimum delay is placed between SCL=1 and the
3. For a reSTART condition, or following a Write cycle.
t
Symbol
DL1DL2
t
t
CHDX
CLQV
t
t
t
t
t
t
t
t
CHDH
CHCL
CLCH
DXCX
CLQX
DHDL
CLDX
DLCL
falling or rising edge of SDA.
t
t
f
NS
W
C
(2)
(3)
(1)
t
t
t
t
t
SU:STO
SU:DAT
HD:DAT
SU:STA
HD:STA
t
t
f
t
HIGH
Alt.
t
LOW
t
t
BUF
SCL
WR
DH
t
AA
F
Clock frequency
Clock pulse width high
Clock pulse width low
SDA fall time
Data in set up time
Data in hold time
Data out hold time
Clock low to next data valid
(access time)
Start condition set up time
Start condition hold time
Stop condition set up time
Time between stop condition and next
start condition
Write time
Pulse width ignored (input filter on SCL
and SDA for serial EEPROM)
Parameter
condition
Single
glitch
Test
1300
1300
Min.
600
100
200
200
600
600
600
20
0
Max.
M41T56C64
400
300
900
100
5
Unit
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns