MT8952B Data Sheet
22
Zarlink Semiconductor Inc.
‡ Typical figures are at 25
C and are for design aid only: not guaranteed and not subject to production testing.
* Outputs unloaded. Input pins 12 and 25 clocked at 2048 kHz. All other inputs at V
SS
.
† Timing is over recommended temperature & power supply voltages (V
DD
=5V5%, V
SS
=0V, T
A
=–40 to 85C).
‡ Typical figures are at 25
C and are for design aid only: not guaranteed and not subject to production testing.
10 O
U
T
P
U
T
Output HIGH current (on all
the outputs except IRQ
)
I
OH
-5 -16 mA V
OH
=2.4 V
11 Output LOW current (on all
the outputs including IRQ
)
I
OL
510 mAV
OL
=0.4 V
12 Output capacitance C
o
15 pF
AC Electrical Characteristics
†
- Microprocessor Interface - (Figures 17 and 18)
Voltages are with respect to ground (V
SS
) unless otherwise stated.
Characteristics Sym. Min. Typ.
‡
Max. Units Test Conditions
1 Delay between CS
and E clock t
CSE
0ns
2 Cycle time t
CYC
205 ns
3 E Clock pulse width HIGH t
EWH
145 ns
4 E Clock pulse width LOW t
EWL
60 ns
5 Read/Write setup time t
RWS
20 ns
6 Read/Write hold time t
RWH
10 ns
7 Address setup time t
AS
20 ns
8 Address hold time t
AH
60 ns
9 Data setup time (write) t
DSW
35 ns
10 Data hold time (write) t
DHW
10 ns
11 E clock to valid data delay t
DZL
t
DZH
145
ns
Test load circuit 1 (Fig. 26)
C
L
=200pF
12 Data hold time (read) t
DLZ
t
DHZ
10 60
ns Test load circuit 3 (Fig. 26)
DC Electrical Characteristics -
Voltages are with respect to ground (VSS) unless otherwise stated.
V
DD
=5V5%, V
SS
=0V, T
A
=-40 to 85C.
Characteristics Sym. Min. Typ.
‡
Max. Units Test Conditions
